In C++ what are best practices for garbage collectionIn C++ wha.pdf
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In C++ what are best practices for garbage collection? In C++ what are best practices for garbage collection? Solution The garbage collection in cpp is automatic but if you want to release resources yourself like closing files and release memory you can use : - destructor in case of objects which are destroyed or released from memory after its scope ends - delete operator to release other type of resources.
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Match the following terms with the definitions given below.Terms g.pdf
Match the following terms with the definitions given below.
Terms given
a. Pointer type
b. Indirect addressing
c. Direct addressing
d. Reference type
e. Shallow copy
f. Deep Copy
Definitons given are the following
i. Acessing a variable using it\'s name
ii. Assigning the value of one object to another object, including the duplication of any pointed-
to data.
iii. Accessing a variable using an address stored in a pointer.
iv. A simple type that can only be initialized with the address of a variable.
v. A simple type that can be assigned the address of a variable.
vi. Assigning the value of one object to another without duplicating any pointed-to data.
Solution
a. Pointer type --> iv. A simple type that can only be initialized with the address of a variable.
b. Indirect Adressing --> iii. Accessing a variable using an address stored in a pointer.
c. Direct addressing --> i. Acessing a variable using it\'s name
d. Reference type --> v. A simple type that can be assigned the address of a variable.
e. Shallow copy --> vi. Assigning the value of one object to another without duplicating any
pointed-to data.
f. Deep Copy --> ii. Assigning the value of one object to another object, including the
duplication of any pointed-to data..
Match the associated feature to the leukocyte. very little cytoplasm.pdf
Match the associated feature to the leukocyte. very little cytoplasm multi-lobed nucleus orange
colored cytoplasmic granules cytoplasmic vacuoles blue colored cytoplasmic granules
neutrophil eosinophill basophil lymphocyte monocyte
Solution
Multi lobed nucleus: Neutrophil (1)
orange-red staining cytoplasmic granules :eosinophil(2)
cytoplasmic granuales:basophills
blue color granules:basophills
little cytoplasm:lymphocytes.
In how many ways can you seat 8 students in a row so that Tom and Jo.pdf
In how many ways can you seat 8 students in a row so that Tom and John never sit together?
EXPLAIN YOUR THINKING BELOW.
Solution
total ways in which 8 students can sit in a row = 8!
let us take the number of ways in which Tom and John sit next to each other i.e assuming they
are always together so we have 7 students ( 6 others & 1 Tom and John) so total outcomes = 7!
so number of ways = 8! - 7! = 35280.
inclusion program.investment.policy.social initiative.compli.pdf
inclusion program.
investment.
policy.
social initiative.
compliance.
reevaluate the ethics code.
seek government approval.
report code to FDIC.
make the code permanent.
enforce the ethics code.
social audit
responsiblity quotient
program compliance index
payback progress program
contribution indexCell Phones For Soldiers is a nonprofit organization with a long-term
commitment to one cause. Suppose that Fed Ex volunteered to transport all of the program\'s
donated phones for free. Cell Phones for Soldiers would be the beneficiary of Fed Ex\'s
corporate
Solution
1) Social initiative Social initiatives are enhance forms of corporate
philanthropy.It differs from traditional phianthropy in that they are more directly related to
the company\'s competencies ,such as Fed Ex\'s Delivery service 2)
enforce the ethics code 3) Social audit A
social audit is a systematic evaluation of an organization\'s progress toward implementing
socially responsible and responsive programs.
Im confused the other people obtained a result of 16. Are we simp.pdf
I\'m confused the other people obtained a result of 16. Are we simply saying that the integral
over the interval [0,2] is the integral of [0,8] divided by 4 then multiplied by 4?
Solution
In integration from 0 to 2 f(4x)dx Let, 4x = t dx = dt/4 when - x=0, t=0 x=2, t=8
Thus, integration from 0 to 8 (1/4)f(t)dt using change of variable from t to x integration from 0
to 8 (1/4)f(x)dx Hence, answer is 4/4 = 1.
If O2 is found in high concentration on the outside of the cella).pdf
If O2 is found in high concentration on the outside of the cell:
a) energy will be expended to pump it inside the cell.
b) it will move inside the cell through a protein channel.
c) it will form a shell around the outside of the cell.
d) it will passively diffuse out of the cell.
e) none of the above.
Solution
b.it will move inside the cell through a protein channel.
Oxygen enters cells by passing through the cell membrane in a process called diffusion, which is
a transport process that does not require energy.Diffusion is the process in which a substance
moves from an area of high concentration (the environment outside cells) to an area of low
concentration (inside cells) through a semi-permeable mebrane.The cell is constantly using up
oxygen in different processes within the cell.As a result,the concentration of oxygen is lower
inside the cell than outside.Oxygen diffuses into the cell rather than out of it..
Describe some common money management mistakes that can cause long-t.pdf
Describe some common money management mistakes that can cause long-term financial
concerns. (LO2.1)
What do you believe to be the major characteristics of an effective system to keep track of
financial documents and records? (LO2.1)
How might financial ratios be used when planning and implementing financial activities?
(LO2.2)
What are long-term effects of low savings for both individuals and the economy of a country?
(LO2.4)
Solution
1: The use of excessive credit can lead to long term financial concerns. Excessive borrowing will
create a burden on the business or individual in terms of regular interest that has to be paid as
well as reducing the creditworthiness. Speaking of an individual lack of retirement planning is
the other mistake that can lead to long term financial problems when the retirement time arises.
The other mistake that can have serious consequences is lack of investment. Having idle funds
and not investing them wisely will lead to an opportunity loss of interest that could be earned on
investment.
2: The system of keeping track of financial documents and records should be reviewed regularly.
It should be an active system rather than a passive system and this will allow the individual or
the business to keep track of movements in the financial records. The security of the records is of
prime importance so that the records are not lost and can be accessed easily at the same time.
3: Financial ratios are extremely beneficial for businesses and individuals to help in personal
financial planning. The main benefit offered by financial ratios is that it allows one to understand
the current efficiency of the plan and make changes to make the financial activities effectively.
An important ratio is the debt payments ratio which allows one to understand what portion of the
take home pay is being used to pay off debt. As for a business it allows one to understand how
much debt is being used as a percentage of total capital.
4: For an individual lack of savings will create insecurity for the individual in case of an
emergency such as a lost job for a sudden medical emergency. For an economy lack of savings
implies that the banks have lesser funds to invest into new businesses and development of the
economy as a whole. Hence lack of savings will deplete the capital base of the economy and
result in overseas borrowings which will finally reduce the Foreign Exchange Reserves of the
economy..
how do cells transport small , non polar, hydrophobic molecules, suc.pdf
how do cells transport small , non polar, hydrophobic molecules, such as fatty acids or steroid
hormones across the cell membrane?
Solution
Small molecules such as fatty acids or steroid molecules get transported across the cell
membrane by the process of diffusion and diffuse freely across the membrane..
Recommended
Match the following terms with the definitions given below.Terms g.pdf
Match the following terms with the definitions given below.
Terms given
a. Pointer type
b. Indirect addressing
c. Direct addressing
d. Reference type
e. Shallow copy
f. Deep Copy
Definitons given are the following
i. Acessing a variable using it\'s name
ii. Assigning the value of one object to another object, including the duplication of any pointed-
to data.
iii. Accessing a variable using an address stored in a pointer.
iv. A simple type that can only be initialized with the address of a variable.
v. A simple type that can be assigned the address of a variable.
vi. Assigning the value of one object to another without duplicating any pointed-to data.
Solution
a. Pointer type --> iv. A simple type that can only be initialized with the address of a variable.
b. Indirect Adressing --> iii. Accessing a variable using an address stored in a pointer.
c. Direct addressing --> i. Acessing a variable using it\'s name
d. Reference type --> v. A simple type that can be assigned the address of a variable.
e. Shallow copy --> vi. Assigning the value of one object to another without duplicating any
pointed-to data.
f. Deep Copy --> ii. Assigning the value of one object to another object, including the
duplication of any pointed-to data..
Match the associated feature to the leukocyte. very little cytoplasm.pdf
Match the associated feature to the leukocyte. very little cytoplasm multi-lobed nucleus orange
colored cytoplasmic granules cytoplasmic vacuoles blue colored cytoplasmic granules
neutrophil eosinophill basophil lymphocyte monocyte
Solution
Multi lobed nucleus: Neutrophil (1)
orange-red staining cytoplasmic granules :eosinophil(2)
cytoplasmic granuales:basophills
blue color granules:basophills
little cytoplasm:lymphocytes.
In how many ways can you seat 8 students in a row so that Tom and Jo.pdf
In how many ways can you seat 8 students in a row so that Tom and John never sit together?
EXPLAIN YOUR THINKING BELOW.
Solution
total ways in which 8 students can sit in a row = 8!
let us take the number of ways in which Tom and John sit next to each other i.e assuming they
are always together so we have 7 students ( 6 others & 1 Tom and John) so total outcomes = 7!
so number of ways = 8! - 7! = 35280.
inclusion program.investment.policy.social initiative.compli.pdf
inclusion program.
investment.
policy.
social initiative.
compliance.
reevaluate the ethics code.
seek government approval.
report code to FDIC.
make the code permanent.
enforce the ethics code.
social audit
responsiblity quotient
program compliance index
payback progress program
contribution indexCell Phones For Soldiers is a nonprofit organization with a long-term
commitment to one cause. Suppose that Fed Ex volunteered to transport all of the program\'s
donated phones for free. Cell Phones for Soldiers would be the beneficiary of Fed Ex\'s
corporate
Solution
1) Social initiative Social initiatives are enhance forms of corporate
philanthropy.It differs from traditional phianthropy in that they are more directly related to
the company\'s competencies ,such as Fed Ex\'s Delivery service 2)
enforce the ethics code 3) Social audit A
social audit is a systematic evaluation of an organization\'s progress toward implementing
socially responsible and responsive programs.
Im confused the other people obtained a result of 16. Are we simp.pdf
I\'m confused the other people obtained a result of 16. Are we simply saying that the integral
over the interval [0,2] is the integral of [0,8] divided by 4 then multiplied by 4?
Solution
In integration from 0 to 2 f(4x)dx Let, 4x = t dx = dt/4 when - x=0, t=0 x=2, t=8
Thus, integration from 0 to 8 (1/4)f(t)dt using change of variable from t to x integration from 0
to 8 (1/4)f(x)dx Hence, answer is 4/4 = 1.
If O2 is found in high concentration on the outside of the cella).pdf
If O2 is found in high concentration on the outside of the cell:
a) energy will be expended to pump it inside the cell.
b) it will move inside the cell through a protein channel.
c) it will form a shell around the outside of the cell.
d) it will passively diffuse out of the cell.
e) none of the above.
Solution
b.it will move inside the cell through a protein channel.
Oxygen enters cells by passing through the cell membrane in a process called diffusion, which is
a transport process that does not require energy.Diffusion is the process in which a substance
moves from an area of high concentration (the environment outside cells) to an area of low
concentration (inside cells) through a semi-permeable mebrane.The cell is constantly using up
oxygen in different processes within the cell.As a result,the concentration of oxygen is lower
inside the cell than outside.Oxygen diffuses into the cell rather than out of it..
Describe some common money management mistakes that can cause long-t.pdf
Describe some common money management mistakes that can cause long-term financial
concerns. (LO2.1)
What do you believe to be the major characteristics of an effective system to keep track of
financial documents and records? (LO2.1)
How might financial ratios be used when planning and implementing financial activities?
(LO2.2)
What are long-term effects of low savings for both individuals and the economy of a country?
(LO2.4)
Solution
1: The use of excessive credit can lead to long term financial concerns. Excessive borrowing will
create a burden on the business or individual in terms of regular interest that has to be paid as
well as reducing the creditworthiness. Speaking of an individual lack of retirement planning is
the other mistake that can lead to long term financial problems when the retirement time arises.
The other mistake that can have serious consequences is lack of investment. Having idle funds
and not investing them wisely will lead to an opportunity loss of interest that could be earned on
investment.
2: The system of keeping track of financial documents and records should be reviewed regularly.
It should be an active system rather than a passive system and this will allow the individual or
the business to keep track of movements in the financial records. The security of the records is of
prime importance so that the records are not lost and can be accessed easily at the same time.
3: Financial ratios are extremely beneficial for businesses and individuals to help in personal
financial planning. The main benefit offered by financial ratios is that it allows one to understand
the current efficiency of the plan and make changes to make the financial activities effectively.
An important ratio is the debt payments ratio which allows one to understand what portion of the
take home pay is being used to pay off debt. As for a business it allows one to understand how
much debt is being used as a percentage of total capital.
4: For an individual lack of savings will create insecurity for the individual in case of an
emergency such as a lost job for a sudden medical emergency. For an economy lack of savings
implies that the banks have lesser funds to invest into new businesses and development of the
economy as a whole. Hence lack of savings will deplete the capital base of the economy and
result in overseas borrowings which will finally reduce the Foreign Exchange Reserves of the
economy..
how do cells transport small , non polar, hydrophobic molecules, suc.pdf
how do cells transport small , non polar, hydrophobic molecules, such as fatty acids or steroid
hormones across the cell membrane?
Solution
Small molecules such as fatty acids or steroid molecules get transported across the cell
membrane by the process of diffusion and diffuse freely across the membrane..
Greater than how many millimeters does the ST segment have to be to .pdf
Greater than how many millimeters does the ST segment have to be to be indicative of a heart
attack
Solution
An ST elevation is taken into consideration elevated if the vertical distance within the ECG and
the baseline at a point 0.24 seconds after the J-factor is at least 0.9 mV (commonly representing
1 mm ) in a limb lead or 0.29 mV (2mm) in a precordial lead
Hope you understand....
far Fie Edit View History Bookmarks Window Help roedopencampus blackb.pdf
far Fie Edit View History Bookmarks Window Help roedopencampus blackboard com
Remaining Time: 1 hour, 03 minutes, 42 seconds. Question Completion Status: An
archaeological site is afood remains that were not made or modified by humans,such as
butchered bones orbumed seeds. Ob an object made or modfied by hominds, such as a stone tool.
Ocalocation with evidence of past human activity marked by, for example, tools, hearths or
structures Oda person who excavates and studes pasthuman mmains QUESTION 6 Which of the
following is NOT true? Neanderthals and other early Homo sapiens used Mousteriantool
technology b The Neanderthals and other archaic Homo sapiens are associated with the frst clear
evidence of burial of the dead and other rituals. c The handare and other bitaces of the Acheulan
traditon are associated with Homo erectus Od Homo erectus is associated with earliest
representational art in the form of cave paintings and Venus figurines. the QUESTION 7 Stone
tools are made by to remove flakes. a striking a oore with a hammerstone sticing a fake wth a
hammerstone meting certain types of rock over very high temperatures and then moldng them
into shape Od cutting rocks into shape with a metal tool. QUESTION 8 Finds such as that of
\"Lucy\" and the Laetoli footprints show that had a moist nose, or hinarium a the early
australopithecines b the early australopithecines were bipedal, just as later hominins were. the
early australopthecines were not bipeda, unike the later ones. d the early australopithecines were
knuckle walkers. MacBook Air
Solution
Answer :
5 . c. An archeological site is a location with evidence past human activity, marked by for
example tool, hearths or structures.
6 . d.
7. b
8 . b.
Fiber opticsSolutionSONET STS 12Synchronous Transport Sig.pdf
Fiber optics:
Solution
SONET / STS 12
Synchronous Transport Signal level , n = STS n = n×51.84 Mbps
STM - Synchronous Transport Module
OC - Optical Carrier Level
ANSI Designation - STS 12
Optical signal - OC 12
CCITT Designation - STM 4
Data Rate (Mbps) - 622.08
Payload Rate (Mbps) - 601.344
Bit rate (Mbps) - 622.080
Capacity - 336 DS1 or 12 DS3.
Explain the following ASM code in detail, giving the reasons for the .pdf
Explain the following ASM code in detail, giving the reasons for the status of flags (CZNV)
after every instruction is executed. Initialize: R_1 = 0 times FFFFFFF0 (assume them as
unsigned values) ADD r0, rl, r2; ADDS r0, rl, r2; ADDSCS r0, rl, r2; CMP r0, rl; ADD rl, #0
times 1 ADD r0, rl, r2; ADDS r0, rl, r2; ADDSCS r0, rl, r2; CMP r0, rl
Solution
#include
#include
#include
#include
#include
#include
#include
#define MAX_LINE 80
using namespace std;
int main()
{
int should_run = 1;
string s,s1,a;
string arg[10];
char *arr[10];
while (should_run)
{
cout<< (\"ubos>\") ;
cin>> s1;
{
istringstream f(s1);
while (getline(f,s, \' \'))
for(int i=0; i<10; i++)
{
arg[i] = s;
arr[i] = (char*)arg[i].c_str(); //converting string to char
arr[1] = NULL;
}
pid_t pid =fork();
int i;
if(pid<0)
{
cout<<\"fork\"< 0 )
{
wait(NULL);
cout<<\"parent \" << pid<.
Discuss the importance of top management commitment and the developm.pdf
Discuss the importance of top management commitment and the development of standards for
successful project management. Provide examples to illustrate the importance of these items
based on your experience on any type of project. Discuss the unique challenges that an IT project
presents.
Solution
Top management commitment and the development of standards for successful project
management are very essential for the success of
information technology projects.
1) Top management helps project managers get adequate and skilled resources.
2) They approve unique project needs like stringent deadlines.
3) They provide support as mentors to project managers.
example of some of the Standards used :
CMM (Capability Maturity model) , HERMES (used in SWISS projects), PRINCE2 (Projects in
Control Environment)
Challenges in IT projects :
1) Poor communications between IT and the business clients due to language barrier.
2) Stringent deadlines : It includes all the phases requirement eliciation, project planning,
design, testing and maintenance.
3) Unclear Expectations : There is often a gap between the requirements given and the
expectation from the protype built.
4) Ambiguous Requirements : Some requirements are not clear and leads to confusion and extra
work.
5) Project Budget : It depends on the resources required , tools and technologies used , team
strength and other business requirements..
Discrete Math Problem - Chinese Remainder TheoremWe recently disc.pdf
Discrete Math Problem - Chinese Remainder Theorem:
We recently discussed the Chinese remainder theorem, and we showed an algorithm for
\"decoding\" the remainders of two distinct primes. For example, suppose we want to know
which number between 0 and 34 has remainder 1 when divided by 5 and 2 when divided by 7.
We begin by finding the Bezout theorem parameters that would allow multiples of 5 and 7 to add
up to 1:
5*3 + 7*(-2) = 1
Then, we multiply our two desired remainders - here, 1 and 2 - by the two terms in our Bezout
expression. The first remainder is multiplied into the second term, and the second remainder is
multiplied into the first term:
5*3*2 + 7*(-2)*1 = 30 - 14 = 16
And now we can conclude (and check!) that 16 has remainder 1 when divided by 5 and
remainder 2 when divided by 7.
Here\'s the question:
A Chinese general knows that his troops number somewhat above 1000, but otherwise isn\'t
really sure of the number. He asks them to line up in rows of 11, and finds the final \"remainder\"
row has 9 soldiers. He asks them to line up in rows of 13, and finds that the final \"remainder\"
row has 1 soldier. He asks them to line up in rows of 17, and finds 14 soldiers in the final
\"remainder\" row. How many soldiers are in his army?
Solution
1340.
Describe the usage of technology by Fedex in all its sectorsSolu.pdf
Describe the usage of technology by Fedex in all its sectors
Solution
FedEx Corporation is a US multinational courier delivery services company headquartered in
Memphis, Tennessee. The name \"FedEx\" is a syllabic abbreviation of the name of the
company\'s original air division, Federal Express, which was used from 1973 until 2000. The
company is known for its overnight shipping service, but also for pioneering a system that could
track packages and provide real-time updates on package location (to help in finding lost
packages), a feature that has now been implemented by most other carrier services.
FedEx Corporation is an import/export company, incorporated October 2, 1997 in Delaware.
FDX Corporation was founded in January 1998 with the acquisition of Caliber System Inc. by
Federal Express. With the purchase of Caliber, FedEx started offering other services besides
express shipping. Caliber subsidiaries included RPS, a small-package ground service; Roberts
Express, an expedited shipping provider; Viking Freight, a regional, less than truckload freight
carrier serving the Western United States; Caribbean Transportation Services, a provider of
airfreight forwarding between the United States and the Caribbean; and Caliber Logistics and
Caliber Technology, providers of logistics and technology solutions. FDX Corporation was
founded to oversee all of the operations of those companies and its original air division, Federal
Express.
FedEx is a proponent of e-commerce. They realize that through prosumption, having
customers conduct their business online, they save the cost of additional employees and phone
costs. Industry Analysis within the industry are two types of companies. There are combination
carriers, which are primarily passenger airline companies that also carry cargo. And then there
are all-cargo companies like Federal Express which only carry cargo, have fleets of planes,
usually fly at night, have ground transportation, and personnel for door-to-door pick-up and
delivery. The all cargo companies control 90% of the domestic cargo companies. Competition in
the all cargo segment of the industry includes: UPS, DHL, Airborne Express and U.S. Postal
Service. The entire industry delivers roughly 5.6 million packages each day. FedEx currently has
a 45 “ 50 % market share and thus delivers 2.8 million packages each day.
FedEx is organized into operating units, each of which has its own version of the wordmark
designed in 1994 by Lindon Leader of Landor Associates, of San Francisco. The Fed is always
purple and the Ex is in a different color for each division and platinum for the overall corporation
use. The original FedEx logo had the Ex in orange; it is now used as the FedEx Express
wordmark. The FedEx wordmark is notable for containing a subliminal right-pointing arrow in
the negative space between the \"E\" and the \"X\", which was achieved by designing a
proprietary font, based on Univers and Futura, to emphasize the arrow shape. In August.
Dawn Burke, director of employee relations, glanced at her online ca.pdf
Dawn Burke, director of employee relations, glanced at her online calendar and remembered her
appointment at 3:00 P.M. today. She quickly found the file labeled \"McCullen and Aranda\" and
started preparing for the meeting. She recalled that this was essentially an employee-supervisor
case, where the employee had been unwilling or unable to meet the supervisor\'s requests. The
employee claimed that the supervisor was too demanding and impatient. Their conflict had
escalated to the point that both were unhappy and uncomfortable in the work environment. Other
employees had noticed, and overheard, some of the conflict. In her role, Dawn was responsible
for many programs, including a new mediation initiative to resolve workplace conflict. The
program was designed to help employees develop stronger communication and conflict
resolution skills. In this case, the program was also providing an intermediary step between
informal and formal discipline. Today, she was meeting with both parties to discuss mediation
guidelines, a time line, their goal, and their general points of conflict. John McCullen, fifty-one,
a buyer in the facilities department, and Terry Aranda, the director of facilities procurement,
arrived separately. John had been with the company for thirty-two years and had started his
career with the company right out of high school. Terry, thirty-one, was hired from another firm
to oversee the procurement area a year ago and recently graduated from a prestigious MBA
program. Dawn started the meeting by reviewing the mediation guidelines and time line. She
reminded John and Terry that their goal was to develop a workable and agreeable solution to the
current situation. Dawn then asked for each party to explain his or her position on the conflict.
John began, \"Ms. Aranda is a very smart lady. She seems to know the buying and procurement
area, but she knows less about the company and its history. I am not sure she has taken the time
to learn our ways and values. Ms. Aranda is impatient with our use of the new software and
computer system. Some of us don\'t have college degrees, and we haven\'t been using computers
since we were young. I started working at this company about the time she was born, and I am
not sure that her management style is good for our department. Everything was going pretty well
until we starting changing our systems.\" Terry commented, \"John is a valuable member of the
department, as he knows everyone at this company. I appreciate his knowledge and loyalty. On
the other hand, he has not completed several tasks in a timely manner, nor has he asked for an
extension. I feel that I must check up on his schedule and proof all of his work. John has attended
several training classes, and I asked that he use an electronic calendar so that projects are
completed on time. He continues to ignore my advice and deadlines We\'ve had several
conversations, but John\'s work has not substantially improved. We have many goals to achieve.
Consider the two mutually exclusive projects in the table below. Salv.pdf
Consider the two mutually exclusive projects in the table below. Salvage values represent the
net proceeds (after tax) from disposal of the assets if they are sold at the end of each year. Both
projects B1 and B2 will be available (or can be repeated) with the same costs and salvage values
for an indefinite period EE Click the icon to view the additional data about the mutually
exclusive projects Click the icon to view the interest factors for discrete compounding when
MARR-11% per year (a) Assuming an infinite planning horizon, which project is a better choice
at MARR= 11%? Use 15 years as the common analysis period The present worth for project B1
is S? thousand. (Round to one decimal place.) More Info B1 Salvage Value B2 Cash Flow Cash
Flow Salvage Value 0 -$27,000 13,500 12,000 9,000 7,000 6,000 - $14,000 - 2,300 -2,300 -
2,300 - 2,900 -2,900 - 2,900 -2,900 - 2,900 7,000 4,500 2,500 4
Solution
Present worth of Project B1 is ($66,458)
Present worth of Project B2 is ($40,891)
Hence Project B2 is a better choice at MARR of 11 %
Explanation:
Project B1
Project B2
Project B1
Project B2
Year
Cash Flow (CB1)
Cash Flow (CB2)
PV Factor @ 11 % (F)
PV (= F x CB1)
PV (= F x CB2)
0
($27,000)
($14,000)
1
($27,000)
($14,000)
1
($2,900)
($2,300)
0.900900901
($2,613)
($2,072)
2
($2,900)
($2,300)
0.811622433
($2,354)
($1,867)
3
($2,900)
($2,300)
0.731191381
($2,120)
($1,682)
4
($2,900)
($2,300)
0.658730974
($1,910)
($1,515)
5
($23,900)
($13,800)
0.593451328
($14,183)
($8,190)
6
($2,900)
($2,300)
0.534640836
($1,550)
($1,230)
7
($2,900)
($2,300)
0.481658411
($1,397)
($1,108)
8
($2,900)
($2,300)
0.433926496
($1,258)
($998)
9
($2,900)
($2,300)
0.390924771
($1,134)
($899)
10
($23,900)
($13,800)
0.352184479
($8,417)
($4,860)
11
($2,900)
($2,300)
0.317283314
($920)
($730)
12
($2,900)
($2,300)
0.285840824
($829)
($657)
13
($2,900)
($2,300)
0.257514256
($747)
($592)
14
($2,900)
($2,300)
0.231994825
($673)
($534)
15
$3,100
$200
0.209004347
$648
$42
NPW
($66,458)
($40,891)
Project B1:
Cash flow for year 5 = Annual expenses + Salvage value + Initial investment
= -$ 2,900 + $ 6,000 - $ 27,000 = $ 23,900
Cash flow for year 15 = -$ 2,900 + $ 6,000 = $ 3,100
Project B2:
Cash flow for year 5 = Annual expenses + Salvage value + Initial investment
= -$ 2,300 + $ 2,500 - $ 14,000 = $ 13,800
Cash flow for year 15 = -$ 2,300 + $ 2,500 = $ 200
Project B1
Project B2
Project B1
Project B2
Year
Cash Flow (CB1)
Cash Flow (CB2)
PV Factor @ 11 % (F)
PV (= F x CB1)
PV (= F x CB2)
0
($27,000)
($14,000)
1
($27,000)
($14,000)
1
($2,900)
($2,300)
0.900900901
($2,613)
($2,072)
2
($2,900)
($2,300)
0.811622433
($2,354)
($1,867)
3
($2,900)
($2,300)
0.731191381
($2,120)
($1,682)
4
($2,900)
($2,300)
0.658730974
($1,910)
($1,515)
5
($23,900)
($13,800)
0.593451328
($14,183)
($8,190)
6
($2,900)
($2,300)
0.534640836
($1,550)
($1,230)
7
($2,900)
($2,300)
0.481658411
($1,397)
($1,108)
8
($2,900)
($2,300)
0.433926496
($1,258)
($998)
9
($2,900)
($2,300)
0.390924771
($1,134)
($899)
10
($23,900)
($13,800.
Choose 5 and Define Malpighian tubules, hemolymph, exoskeleton, ampu.pdf
Choose 5 and Define: Malpighian tubules, hemolymph, exoskeleton, ampulla, endoskeleton.
exoskeleton, spiracles, ecdysis (5 points)
Solution
malphigian tubule: a tubular excretory organ, numbers of which open into the gut. they are
generally seen in some insects
haemolymph : a fluid equivalent to blood in most invertebrates, occupying the haemocoel.it
circulates in the interior of the arthropod body remaining in direct contact with the animal\'s
tissues. It is composed of a fluid plasma in which hemolymph cells called hemocytes.
exoskeleton : A hard, protective outer body covering of an animal, such as an insect, crustacean,
or mollusk. The exoskeletons of insects and crustaceans are largely made of chitin.
spiracles :an external respiratory opening, especially each of a number of pores on the body of an
insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish.
ecdysis :the process of shedding the old skin (in reptiles) or casting off the outer cuticle (in
insects and other arthropods)..
An urn contains 4 red balls and 6 green balls. Two balls are drawn o.pdf
An urn contains 4 red balls and 6 green balls. Two balls are drawn one after another without
replacement.
Let A = event both balls are the same color and let B = event both balls are green. Calculate
Pr(B|A)
Solution
There are 4C2 = 6 ways to get both red, and 6C2 = 15 ways to get both green.
Thus, there are 6+15 = 21 ways to get same colored balls.
Thus,
P(B|A) = 15/21 = 5/7 or 0.714285714 [ANSWER].
A study was conducted on high school students in 2008. The research .pdf
A study was conducted on high school students in 2008. The research aimed to study the effect
of assertiveness (confidence) training on educational anxiety. Educational anxiety can have a
large impact on students during their teen years. It threatens students
Solution
cant open image...please give the link....
A RandstadHarris interactive survey reported that 25 of employees .pdf
A Randstad/Harris interactive survey reported that 25% of employees said their company is loyal
to them (USA Today, November 11, 2009). Suppose 10 employees are selected randomly and
will be interviewed about company loyalty.
Round your answers to four decimal places.
What is the probability that at least two of the 10 employees will say their company is loyal to
them?
Solution
P(X>=2) = 1 - [P(0) + P(1)] = 1 - [(0.75)^10 + 10C1*(0.25)*(0.75)^9] = 1 - 0.244 = 0.7560.
2.)a.) Are viruses that infect Archaea different from other bacter.pdf
2.)
a.) Are viruses that infect Archaea different from other bacterial viruses?
Yes, they have only DNA genomes.
b.) Of the following examples, which is not a common part of many viral life cycles?
Once an adenovirus virion is inside a cell, host RNA polymerases transcribe early genes
c.) Some viruses are associated with cancer. There are a variety of ways in which viruses may
affect a cell in a way that may lead to cancer. Based on your knowledge of the life cycles of
viruses and of molecular genetics, what is one way that this might happen?
d.) Which statement describes the difference between the normal neuron protein PrPC and the
pathogenic version PrPSc?Yes, they do not have protein coats because of the extreme conditions
where they live.No, they consist of nucleic acid and protein just like other bacterial viruses.Yes,
the structure of archaeal viruses is always completely different from other bacterial viruses.
Yes, they have only DNA genomes.
b.) Of the following examples, which is not a common part of many viral life cycles?The pox
virus genome is replicated by DNA polymerase.Adenoviruses attach to the cell and the
nucleocapsid is taken up by the cell.Pox viruses replicate in the cytoplasm of the cell.
Once an adenovirus virion is inside a cell, host RNA polymerases transcribe early genes
c.) Some viruses are associated with cancer. There are a variety of ways in which viruses may
affect a cell in a way that may lead to cancer. Based on your knowledge of the life cycles of
viruses and of molecular genetics, what is one way that this might happen?Viral genetic
material inserts into a host genome close to the termination sequence, far downstream of the
promoter, and causes a silent mutation.Viral genetic material inserts into a host genome in a
repetitive noncoding region.Viral genetic material inserts into a host genome, placing a
promoter in a new location and turning on a gene that had previously been turned off.Viral
genetic material inserts into a host genome and causes a mutation in a promoter, turning off a
gene that had previously been turned on.
d.) Which statement describes the difference between the normal neuron protein PrPC and the
pathogenic version PrPSc?PrPC is just a protein and the PrPSc is a protein with nucleic acid
inside.The PrPC protein contains more beta sheets while the PrPSc protein contains more alpha
helices.The three-dimensional conformation is identical, but the amino acid sequence is
different.The amino acid sequence is identical, but the three-dimensional conformation is
different.
Solution
Archaea can be infected by double stranded DNA virus that are unrelated to any other form of
virus and have variety unusual shapes. These are single stranded and double stranded DNA virus.
Species of the Ligameneviral and the families Ampullaviridae, Biccaudaviridae and
Clavaviridea, infects hyperthermophiic archaea species. These viruses have lipid bilayer coat
inside the icosahedral protein coat, and some of the viru.
1.What are STR advantages over RFLP and PMDQa 2.list 3 examples of .pdf
1.What are STR advantages over RFLP and PMDQa? 2.list 3 examples of direct transfer of DNA
3.describe a commonly used method for optimally collecting cellular material from an evidence
item 4.Describe the best way to package and store a dried bloodstain. 5.Define presumptive
testing and confirmatory testing and give an example of each
Solution
Ques-1.What are STR advantages over RFLP and PMDQa?
Answer:
Molecular diagnostics and Forensics:
Single nucleotide polymorphism (SNPs): Forensic DNA fingerprinting is predominantly rely on
the short tandem repeats (STRs) of DNA strand analysis of considerably 2 or more nucleotides
for instance STRs (CA)n or (ACGT)n. In this “n” denoted as STRs of a finite numbers. These
sequences of nucleic acids are unequal and different between individuals. STR analysis is easier
and takes less time for genetic analysis to identify culprit than Restriction Fragment Length
Polymorphisms (RFLPs) in which takes months to analyze DNA using Restriction enzymes.
RFLPs and PMDQa are costlier and not accurate measurements and takes longer to finish where
collected biological samples may degrader. Short tandem repeats (STRs): Normally nucleic acids
of any 2 humans often shows disparity by 1 in 1000 nitrogen bases and usually the remaining
99.9% possess the similar bases. A similarity further enables the sequencing of the “reference”
individual genome pertinent to every one of us. Some of our nucleic acid regions possess higher
disparity compared to other individuals. Thereby STRs are the meticulous nucleic acid variations
observed between individuals when observed with molecular diagnostics or forensics.
Que-2.list 3 examples of direct transfer of DNA
Answer:
1. Electrophoration of DNA into the cells
The direct transfer of DNA in the Agrobacterium-to-plant cell DNA transfer
2. DNA Microinjection:
Direct injection of DNA into the living host cell suing glass pipettes (hollow needles)
2. Viral-mediated direct DNA transfer:
The basic mechanism of this technique is transduction of re-engineered genes (DNA) through
viral vectors to the host DNA. Retroviral (RNA), adenoviral (DNA), adeno-associated viral
(DNA) vectors are being used in haemophilia treatment.
3. Non-viral mediated gene transfer:
In this method, \"transfection of genetic material\" i.e., direct transfer of naked DNA packed in
non-viral vectors into the host genome is practiced. The vectors contain therapeutic gene and
other genes that are essential for encoding proteins involved in gene integration into the target
cell genome. The target cells are expected to take the genome and synthesize the deficient
clotting factors.
Two types of transfecting the genes into the animal cells including chemical methods and non-
chemical methods. Chemical based method is the cheapest one “transfection” can be done by
using liposome or nanoparticle delivery, or using cyclodextrin polymers..
Why would you use a switch replace a hub in a Local Area Network a..pdf
Why would you use a switch replace a hub in a Local Area Network? a. To increase WAN
connectivity b. To increase Internet connectivity c. To increase LAN performance d. To
improve backbone connectivity
Solution
Answer :-
b.To increase LAN performance
Explanation :-
Switches have intelligence where as Hubs not have intelligence..
Why is the endodermis essential in the root but not in the stemIn.pdf
Why is the endodermis essential in the root but not in the stem?
In the summer of 1998, after extrely hot, dry weather, the Georgia corn harvest was expected to
be reduced by at least 25%. Using your knowledge of the dual functions of guard cells relative to
water retention and gasexchange, explain the reduction in photosynthetic productivity.
Plant cells have cell walls and animal cells do not. How does this difference relate to differences
in plant andanimal function?
Table 20.2 – Structure and Function of Plant CellsCell TypeStructureFunctionPlant
OrganEpidermisGuard CellsParenchymaCollenchymaSclerenchymaTracheidsVesselsSieve
TubesEndodermisPrimary MeristemsVascular CambiumPericyclePeridermRay Parenchyma
Solution
Why is the endodermis essential in the root but not in the stem?
Answer:
The endodermis in the root prevents nutrients from leaving the plant structure and returning to
the soil.The cells in the endodermis helps in water and nutrient retention by preventing nutrients
from the xylem to diffuse back into the soil. The stem is not involved in absorption of water or
nutrient hence doesn’t need endodermis..
What type of pollinators like long tubular flowersSolutionAns.pdf
What type of pollinators like long tubular flowers?
Solution
Answer- Pollination is process of transfer of pollen grain from anther to stingma and pollinators
are those which carry out the process or we can say the vector through which pollination occurs.
The birds are more attracted towards tubular and bright coloured flowers.Even bees are attracted
towards tubular flowers.The long and tubular flowers have often bright petals and flowers which
attracts bees ,other insets and birds which come to collect nectar and further acts as a pollinator
and tranfers pollens from anther to stigma of same plant or different plant of same species..
When did satellite communication become viable, i.e. what timeframe (.pdf
When did satellite communication become viable, i.e. what timeframe (years +-) What are some
of the restrictions in using Satellite communications? Does the mass of a satellite have any effect
on its orbit? What is geostationary orbit? How is it described and what altitude above the earth
are geostationary orbits? Extra Credit:Derive the Keller equations of motion and describe each
step in your calculations
Solution
1. First artificial sattelite launched by sovient union named sputnik 1 in 1957 but that was not
used for communication.Later on first artifical sattelite ballon named echo 1 in 1960 launched
which contained a passive reflector and used for communication.Then America launched a
advanced project named project score in1960 and bring revolution to communication sysytem.
2. There are various limitation of sattellite communication .some of are as:-
a) the main problem is with power to operate them at a distant,as now days solar enery has
developed but yet there is limitd power available.
b) receiver sensitivity-a lot of signal loss occur due to many reason like bad
weather,interface,noise which effects the signal.
c)signal by sattellite communication can be easilly traceable.
d)availability-sometime receiver cannot find the sattellite transmitter and unable to receive
signals.
3.No,mass of sattellite doent effect orbit of satteliite baecause as compared to earths mass mass
of sattellite become negligible.
4.Geo stationary orbit is a geosynchronous orbit in the plane of earths equator with a radius of
approx 42000km maesured from centre of earth.It has an orbital period of one sidereal day(23hrs
56 min 4 sec),thus it appers to be in same position as observed from eath.
5.A sattellite in geostationary orbit is approx at a height of 35000 km.
6. The square of the orbital period of a planet is proportional to the cube of the semimajor axis of
the ellipse.
T^2=KA^3
T=TIME PERIOD OF ORBIT
A=SEMI MAJOR AXIS OF ELLIPSE.
What makes a solid perfect What are the possible faces of the Plato.pdf
What makes a solid perfect? What are the possible faces of the Platonic solids?
Solution
Pefrect solid has two properties
1. each face is the same regular polygon and
2. Same number of polygons meet at each vertex (corner)
Possile faces :
Tetrahedron : 4 triangular faces
Cube : 6 square faces
Octahendram : 8 triangles face
Dodecahedron : 12 pentagon faces
Icosahedron : 20 triangular faces.
How libraries can support authors with open access requirements for UKRI fund...
How libraries can support authors with open access requirements for UKRI funded books
Wednesday 22 May 2024, 14:00-15:00.
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Greater than how many millimeters does the ST segment have to be to be indicative of a heart
attack
Solution
An ST elevation is taken into consideration elevated if the vertical distance within the ECG and
the baseline at a point 0.24 seconds after the J-factor is at least 0.9 mV (commonly representing
1 mm ) in a limb lead or 0.29 mV (2mm) in a precordial lead
Hope you understand....
far Fie Edit View History Bookmarks Window Help roedopencampus blackb.pdf
far Fie Edit View History Bookmarks Window Help roedopencampus blackboard com
Remaining Time: 1 hour, 03 minutes, 42 seconds. Question Completion Status: An
archaeological site is afood remains that were not made or modified by humans,such as
butchered bones orbumed seeds. Ob an object made or modfied by hominds, such as a stone tool.
Ocalocation with evidence of past human activity marked by, for example, tools, hearths or
structures Oda person who excavates and studes pasthuman mmains QUESTION 6 Which of the
following is NOT true? Neanderthals and other early Homo sapiens used Mousteriantool
technology b The Neanderthals and other archaic Homo sapiens are associated with the frst clear
evidence of burial of the dead and other rituals. c The handare and other bitaces of the Acheulan
traditon are associated with Homo erectus Od Homo erectus is associated with earliest
representational art in the form of cave paintings and Venus figurines. the QUESTION 7 Stone
tools are made by to remove flakes. a striking a oore with a hammerstone sticing a fake wth a
hammerstone meting certain types of rock over very high temperatures and then moldng them
into shape Od cutting rocks into shape with a metal tool. QUESTION 8 Finds such as that of
\"Lucy\" and the Laetoli footprints show that had a moist nose, or hinarium a the early
australopithecines b the early australopithecines were bipedal, just as later hominins were. the
early australopthecines were not bipeda, unike the later ones. d the early australopithecines were
knuckle walkers. MacBook Air
Solution
Answer :
5 . c. An archeological site is a location with evidence past human activity, marked by for
example tool, hearths or structures.
6 . d.
7. b
8 . b.
Fiber opticsSolutionSONET STS 12Synchronous Transport Sig.pdf
Fiber optics:
Solution
SONET / STS 12
Synchronous Transport Signal level , n = STS n = n×51.84 Mbps
STM - Synchronous Transport Module
OC - Optical Carrier Level
ANSI Designation - STS 12
Optical signal - OC 12
CCITT Designation - STM 4
Data Rate (Mbps) - 622.08
Payload Rate (Mbps) - 601.344
Bit rate (Mbps) - 622.080
Capacity - 336 DS1 or 12 DS3.
Explain the following ASM code in detail, giving the reasons for the .pdf
Explain the following ASM code in detail, giving the reasons for the status of flags (CZNV)
after every instruction is executed. Initialize: R_1 = 0 times FFFFFFF0 (assume them as
unsigned values) ADD r0, rl, r2; ADDS r0, rl, r2; ADDSCS r0, rl, r2; CMP r0, rl; ADD rl, #0
times 1 ADD r0, rl, r2; ADDS r0, rl, r2; ADDSCS r0, rl, r2; CMP r0, rl
Solution
#include
#include
#include
#include
#include
#include
#include
#define MAX_LINE 80
using namespace std;
int main()
{
int should_run = 1;
string s,s1,a;
string arg[10];
char *arr[10];
while (should_run)
{
cout<< (\"ubos>\") ;
cin>> s1;
{
istringstream f(s1);
while (getline(f,s, \' \'))
for(int i=0; i<10; i++)
{
arg[i] = s;
arr[i] = (char*)arg[i].c_str(); //converting string to char
arr[1] = NULL;
}
pid_t pid =fork();
int i;
if(pid<0)
{
cout<<\"fork\"< 0 )
{
wait(NULL);
cout<<\"parent \" << pid<.
Discuss the importance of top management commitment and the developm.pdf
Discuss the importance of top management commitment and the development of standards for
successful project management. Provide examples to illustrate the importance of these items
based on your experience on any type of project. Discuss the unique challenges that an IT project
presents.
Solution
Top management commitment and the development of standards for successful project
management are very essential for the success of
information technology projects.
1) Top management helps project managers get adequate and skilled resources.
2) They approve unique project needs like stringent deadlines.
3) They provide support as mentors to project managers.
example of some of the Standards used :
CMM (Capability Maturity model) , HERMES (used in SWISS projects), PRINCE2 (Projects in
Control Environment)
Challenges in IT projects :
1) Poor communications between IT and the business clients due to language barrier.
2) Stringent deadlines : It includes all the phases requirement eliciation, project planning,
design, testing and maintenance.
3) Unclear Expectations : There is often a gap between the requirements given and the
expectation from the protype built.
4) Ambiguous Requirements : Some requirements are not clear and leads to confusion and extra
work.
5) Project Budget : It depends on the resources required , tools and technologies used , team
strength and other business requirements..
Discrete Math Problem - Chinese Remainder TheoremWe recently disc.pdf
Discrete Math Problem - Chinese Remainder Theorem:
We recently discussed the Chinese remainder theorem, and we showed an algorithm for
\"decoding\" the remainders of two distinct primes. For example, suppose we want to know
which number between 0 and 34 has remainder 1 when divided by 5 and 2 when divided by 7.
We begin by finding the Bezout theorem parameters that would allow multiples of 5 and 7 to add
up to 1:
5*3 + 7*(-2) = 1
Then, we multiply our two desired remainders - here, 1 and 2 - by the two terms in our Bezout
expression. The first remainder is multiplied into the second term, and the second remainder is
multiplied into the first term:
5*3*2 + 7*(-2)*1 = 30 - 14 = 16
And now we can conclude (and check!) that 16 has remainder 1 when divided by 5 and
remainder 2 when divided by 7.
Here\'s the question:
A Chinese general knows that his troops number somewhat above 1000, but otherwise isn\'t
really sure of the number. He asks them to line up in rows of 11, and finds the final \"remainder\"
row has 9 soldiers. He asks them to line up in rows of 13, and finds that the final \"remainder\"
row has 1 soldier. He asks them to line up in rows of 17, and finds 14 soldiers in the final
\"remainder\" row. How many soldiers are in his army?
Solution
1340.
Describe the usage of technology by Fedex in all its sectorsSolu.pdf
Describe the usage of technology by Fedex in all its sectors
Solution
FedEx Corporation is a US multinational courier delivery services company headquartered in
Memphis, Tennessee. The name \"FedEx\" is a syllabic abbreviation of the name of the
company\'s original air division, Federal Express, which was used from 1973 until 2000. The
company is known for its overnight shipping service, but also for pioneering a system that could
track packages and provide real-time updates on package location (to help in finding lost
packages), a feature that has now been implemented by most other carrier services.
FedEx Corporation is an import/export company, incorporated October 2, 1997 in Delaware.
FDX Corporation was founded in January 1998 with the acquisition of Caliber System Inc. by
Federal Express. With the purchase of Caliber, FedEx started offering other services besides
express shipping. Caliber subsidiaries included RPS, a small-package ground service; Roberts
Express, an expedited shipping provider; Viking Freight, a regional, less than truckload freight
carrier serving the Western United States; Caribbean Transportation Services, a provider of
airfreight forwarding between the United States and the Caribbean; and Caliber Logistics and
Caliber Technology, providers of logistics and technology solutions. FDX Corporation was
founded to oversee all of the operations of those companies and its original air division, Federal
Express.
FedEx is a proponent of e-commerce. They realize that through prosumption, having
customers conduct their business online, they save the cost of additional employees and phone
costs. Industry Analysis within the industry are two types of companies. There are combination
carriers, which are primarily passenger airline companies that also carry cargo. And then there
are all-cargo companies like Federal Express which only carry cargo, have fleets of planes,
usually fly at night, have ground transportation, and personnel for door-to-door pick-up and
delivery. The all cargo companies control 90% of the domestic cargo companies. Competition in
the all cargo segment of the industry includes: UPS, DHL, Airborne Express and U.S. Postal
Service. The entire industry delivers roughly 5.6 million packages each day. FedEx currently has
a 45 “ 50 % market share and thus delivers 2.8 million packages each day.
FedEx is organized into operating units, each of which has its own version of the wordmark
designed in 1994 by Lindon Leader of Landor Associates, of San Francisco. The Fed is always
purple and the Ex is in a different color for each division and platinum for the overall corporation
use. The original FedEx logo had the Ex in orange; it is now used as the FedEx Express
wordmark. The FedEx wordmark is notable for containing a subliminal right-pointing arrow in
the negative space between the \"E\" and the \"X\", which was achieved by designing a
proprietary font, based on Univers and Futura, to emphasize the arrow shape. In August.
Dawn Burke, director of employee relations, glanced at her online ca.pdf
Dawn Burke, director of employee relations, glanced at her online calendar and remembered her
appointment at 3:00 P.M. today. She quickly found the file labeled \"McCullen and Aranda\" and
started preparing for the meeting. She recalled that this was essentially an employee-supervisor
case, where the employee had been unwilling or unable to meet the supervisor\'s requests. The
employee claimed that the supervisor was too demanding and impatient. Their conflict had
escalated to the point that both were unhappy and uncomfortable in the work environment. Other
employees had noticed, and overheard, some of the conflict. In her role, Dawn was responsible
for many programs, including a new mediation initiative to resolve workplace conflict. The
program was designed to help employees develop stronger communication and conflict
resolution skills. In this case, the program was also providing an intermediary step between
informal and formal discipline. Today, she was meeting with both parties to discuss mediation
guidelines, a time line, their goal, and their general points of conflict. John McCullen, fifty-one,
a buyer in the facilities department, and Terry Aranda, the director of facilities procurement,
arrived separately. John had been with the company for thirty-two years and had started his
career with the company right out of high school. Terry, thirty-one, was hired from another firm
to oversee the procurement area a year ago and recently graduated from a prestigious MBA
program. Dawn started the meeting by reviewing the mediation guidelines and time line. She
reminded John and Terry that their goal was to develop a workable and agreeable solution to the
current situation. Dawn then asked for each party to explain his or her position on the conflict.
John began, \"Ms. Aranda is a very smart lady. She seems to know the buying and procurement
area, but she knows less about the company and its history. I am not sure she has taken the time
to learn our ways and values. Ms. Aranda is impatient with our use of the new software and
computer system. Some of us don\'t have college degrees, and we haven\'t been using computers
since we were young. I started working at this company about the time she was born, and I am
not sure that her management style is good for our department. Everything was going pretty well
until we starting changing our systems.\" Terry commented, \"John is a valuable member of the
department, as he knows everyone at this company. I appreciate his knowledge and loyalty. On
the other hand, he has not completed several tasks in a timely manner, nor has he asked for an
extension. I feel that I must check up on his schedule and proof all of his work. John has attended
several training classes, and I asked that he use an electronic calendar so that projects are
completed on time. He continues to ignore my advice and deadlines We\'ve had several
conversations, but John\'s work has not substantially improved. We have many goals to achieve.
Consider the two mutually exclusive projects in the table below. Salv.pdf
Consider the two mutually exclusive projects in the table below. Salvage values represent the
net proceeds (after tax) from disposal of the assets if they are sold at the end of each year. Both
projects B1 and B2 will be available (or can be repeated) with the same costs and salvage values
for an indefinite period EE Click the icon to view the additional data about the mutually
exclusive projects Click the icon to view the interest factors for discrete compounding when
MARR-11% per year (a) Assuming an infinite planning horizon, which project is a better choice
at MARR= 11%? Use 15 years as the common analysis period The present worth for project B1
is S? thousand. (Round to one decimal place.) More Info B1 Salvage Value B2 Cash Flow Cash
Flow Salvage Value 0 -$27,000 13,500 12,000 9,000 7,000 6,000 - $14,000 - 2,300 -2,300 -
2,300 - 2,900 -2,900 - 2,900 -2,900 - 2,900 7,000 4,500 2,500 4
Solution
Present worth of Project B1 is ($66,458)
Present worth of Project B2 is ($40,891)
Hence Project B2 is a better choice at MARR of 11 %
Explanation:
Project B1
Project B2
Project B1
Project B2
Year
Cash Flow (CB1)
Cash Flow (CB2)
PV Factor @ 11 % (F)
PV (= F x CB1)
PV (= F x CB2)
0
($27,000)
($14,000)
1
($27,000)
($14,000)
1
($2,900)
($2,300)
0.900900901
($2,613)
($2,072)
2
($2,900)
($2,300)
0.811622433
($2,354)
($1,867)
3
($2,900)
($2,300)
0.731191381
($2,120)
($1,682)
4
($2,900)
($2,300)
0.658730974
($1,910)
($1,515)
5
($23,900)
($13,800)
0.593451328
($14,183)
($8,190)
6
($2,900)
($2,300)
0.534640836
($1,550)
($1,230)
7
($2,900)
($2,300)
0.481658411
($1,397)
($1,108)
8
($2,900)
($2,300)
0.433926496
($1,258)
($998)
9
($2,900)
($2,300)
0.390924771
($1,134)
($899)
10
($23,900)
($13,800)
0.352184479
($8,417)
($4,860)
11
($2,900)
($2,300)
0.317283314
($920)
($730)
12
($2,900)
($2,300)
0.285840824
($829)
($657)
13
($2,900)
($2,300)
0.257514256
($747)
($592)
14
($2,900)
($2,300)
0.231994825
($673)
($534)
15
$3,100
$200
0.209004347
$648
$42
NPW
($66,458)
($40,891)
Project B1:
Cash flow for year 5 = Annual expenses + Salvage value + Initial investment
= -$ 2,900 + $ 6,000 - $ 27,000 = $ 23,900
Cash flow for year 15 = -$ 2,900 + $ 6,000 = $ 3,100
Project B2:
Cash flow for year 5 = Annual expenses + Salvage value + Initial investment
= -$ 2,300 + $ 2,500 - $ 14,000 = $ 13,800
Cash flow for year 15 = -$ 2,300 + $ 2,500 = $ 200
Project B1
Project B2
Project B1
Project B2
Year
Cash Flow (CB1)
Cash Flow (CB2)
PV Factor @ 11 % (F)
PV (= F x CB1)
PV (= F x CB2)
0
($27,000)
($14,000)
1
($27,000)
($14,000)
1
($2,900)
($2,300)
0.900900901
($2,613)
($2,072)
2
($2,900)
($2,300)
0.811622433
($2,354)
($1,867)
3
($2,900)
($2,300)
0.731191381
($2,120)
($1,682)
4
($2,900)
($2,300)
0.658730974
($1,910)
($1,515)
5
($23,900)
($13,800)
0.593451328
($14,183)
($8,190)
6
($2,900)
($2,300)
0.534640836
($1,550)
($1,230)
7
($2,900)
($2,300)
0.481658411
($1,397)
($1,108)
8
($2,900)
($2,300)
0.433926496
($1,258)
($998)
9
($2,900)
($2,300)
0.390924771
($1,134)
($899)
10
($23,900)
($13,800.
Choose 5 and Define Malpighian tubules, hemolymph, exoskeleton, ampu.pdf
Choose 5 and Define: Malpighian tubules, hemolymph, exoskeleton, ampulla, endoskeleton.
exoskeleton, spiracles, ecdysis (5 points)
Solution
malphigian tubule: a tubular excretory organ, numbers of which open into the gut. they are
generally seen in some insects
haemolymph : a fluid equivalent to blood in most invertebrates, occupying the haemocoel.it
circulates in the interior of the arthropod body remaining in direct contact with the animal\'s
tissues. It is composed of a fluid plasma in which hemolymph cells called hemocytes.
exoskeleton : A hard, protective outer body covering of an animal, such as an insect, crustacean,
or mollusk. The exoskeletons of insects and crustaceans are largely made of chitin.
spiracles :an external respiratory opening, especially each of a number of pores on the body of an
insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish.
ecdysis :the process of shedding the old skin (in reptiles) or casting off the outer cuticle (in
insects and other arthropods)..
An urn contains 4 red balls and 6 green balls. Two balls are drawn o.pdf
An urn contains 4 red balls and 6 green balls. Two balls are drawn one after another without
replacement.
Let A = event both balls are the same color and let B = event both balls are green. Calculate
Pr(B|A)
Solution
There are 4C2 = 6 ways to get both red, and 6C2 = 15 ways to get both green.
Thus, there are 6+15 = 21 ways to get same colored balls.
Thus,
P(B|A) = 15/21 = 5/7 or 0.714285714 [ANSWER].
A study was conducted on high school students in 2008. The research .pdf
A study was conducted on high school students in 2008. The research aimed to study the effect
of assertiveness (confidence) training on educational anxiety. Educational anxiety can have a
large impact on students during their teen years. It threatens students
Solution
cant open image...please give the link....
A RandstadHarris interactive survey reported that 25 of employees .pdf
A Randstad/Harris interactive survey reported that 25% of employees said their company is loyal
to them (USA Today, November 11, 2009). Suppose 10 employees are selected randomly and
will be interviewed about company loyalty.
Round your answers to four decimal places.
What is the probability that at least two of the 10 employees will say their company is loyal to
them?
Solution
P(X>=2) = 1 - [P(0) + P(1)] = 1 - [(0.75)^10 + 10C1*(0.25)*(0.75)^9] = 1 - 0.244 = 0.7560.
2.)a.) Are viruses that infect Archaea different from other bacter.pdf
2.)
a.) Are viruses that infect Archaea different from other bacterial viruses?
Yes, they have only DNA genomes.
b.) Of the following examples, which is not a common part of many viral life cycles?
Once an adenovirus virion is inside a cell, host RNA polymerases transcribe early genes
c.) Some viruses are associated with cancer. There are a variety of ways in which viruses may
affect a cell in a way that may lead to cancer. Based on your knowledge of the life cycles of
viruses and of molecular genetics, what is one way that this might happen?
d.) Which statement describes the difference between the normal neuron protein PrPC and the
pathogenic version PrPSc?Yes, they do not have protein coats because of the extreme conditions
where they live.No, they consist of nucleic acid and protein just like other bacterial viruses.Yes,
the structure of archaeal viruses is always completely different from other bacterial viruses.
Yes, they have only DNA genomes.
b.) Of the following examples, which is not a common part of many viral life cycles?The pox
virus genome is replicated by DNA polymerase.Adenoviruses attach to the cell and the
nucleocapsid is taken up by the cell.Pox viruses replicate in the cytoplasm of the cell.
Once an adenovirus virion is inside a cell, host RNA polymerases transcribe early genes
c.) Some viruses are associated with cancer. There are a variety of ways in which viruses may
affect a cell in a way that may lead to cancer. Based on your knowledge of the life cycles of
viruses and of molecular genetics, what is one way that this might happen?Viral genetic
material inserts into a host genome close to the termination sequence, far downstream of the
promoter, and causes a silent mutation.Viral genetic material inserts into a host genome in a
repetitive noncoding region.Viral genetic material inserts into a host genome, placing a
promoter in a new location and turning on a gene that had previously been turned off.Viral
genetic material inserts into a host genome and causes a mutation in a promoter, turning off a
gene that had previously been turned on.
d.) Which statement describes the difference between the normal neuron protein PrPC and the
pathogenic version PrPSc?PrPC is just a protein and the PrPSc is a protein with nucleic acid
inside.The PrPC protein contains more beta sheets while the PrPSc protein contains more alpha
helices.The three-dimensional conformation is identical, but the amino acid sequence is
different.The amino acid sequence is identical, but the three-dimensional conformation is
different.
Solution
Archaea can be infected by double stranded DNA virus that are unrelated to any other form of
virus and have variety unusual shapes. These are single stranded and double stranded DNA virus.
Species of the Ligameneviral and the families Ampullaviridae, Biccaudaviridae and
Clavaviridea, infects hyperthermophiic archaea species. These viruses have lipid bilayer coat
inside the icosahedral protein coat, and some of the viru.
1.What are STR advantages over RFLP and PMDQa 2.list 3 examples of .pdf
1.What are STR advantages over RFLP and PMDQa? 2.list 3 examples of direct transfer of DNA
3.describe a commonly used method for optimally collecting cellular material from an evidence
item 4.Describe the best way to package and store a dried bloodstain. 5.Define presumptive
testing and confirmatory testing and give an example of each
Solution
Ques-1.What are STR advantages over RFLP and PMDQa?
Answer:
Molecular diagnostics and Forensics:
Single nucleotide polymorphism (SNPs): Forensic DNA fingerprinting is predominantly rely on
the short tandem repeats (STRs) of DNA strand analysis of considerably 2 or more nucleotides
for instance STRs (CA)n or (ACGT)n. In this “n” denoted as STRs of a finite numbers. These
sequences of nucleic acids are unequal and different between individuals. STR analysis is easier
and takes less time for genetic analysis to identify culprit than Restriction Fragment Length
Polymorphisms (RFLPs) in which takes months to analyze DNA using Restriction enzymes.
RFLPs and PMDQa are costlier and not accurate measurements and takes longer to finish where
collected biological samples may degrader. Short tandem repeats (STRs): Normally nucleic acids
of any 2 humans often shows disparity by 1 in 1000 nitrogen bases and usually the remaining
99.9% possess the similar bases. A similarity further enables the sequencing of the “reference”
individual genome pertinent to every one of us. Some of our nucleic acid regions possess higher
disparity compared to other individuals. Thereby STRs are the meticulous nucleic acid variations
observed between individuals when observed with molecular diagnostics or forensics.
Que-2.list 3 examples of direct transfer of DNA
Answer:
1. Electrophoration of DNA into the cells
The direct transfer of DNA in the Agrobacterium-to-plant cell DNA transfer
2. DNA Microinjection:
Direct injection of DNA into the living host cell suing glass pipettes (hollow needles)
2. Viral-mediated direct DNA transfer:
The basic mechanism of this technique is transduction of re-engineered genes (DNA) through
viral vectors to the host DNA. Retroviral (RNA), adenoviral (DNA), adeno-associated viral
(DNA) vectors are being used in haemophilia treatment.
3. Non-viral mediated gene transfer:
In this method, \"transfection of genetic material\" i.e., direct transfer of naked DNA packed in
non-viral vectors into the host genome is practiced. The vectors contain therapeutic gene and
other genes that are essential for encoding proteins involved in gene integration into the target
cell genome. The target cells are expected to take the genome and synthesize the deficient
clotting factors.
Two types of transfecting the genes into the animal cells including chemical methods and non-
chemical methods. Chemical based method is the cheapest one “transfection” can be done by
using liposome or nanoparticle delivery, or using cyclodextrin polymers..
Why would you use a switch replace a hub in a Local Area Network a..pdf
Why would you use a switch replace a hub in a Local Area Network? a. To increase WAN
connectivity b. To increase Internet connectivity c. To increase LAN performance d. To
improve backbone connectivity
Solution
Answer :-
b.To increase LAN performance
Explanation :-
Switches have intelligence where as Hubs not have intelligence..
Why is the endodermis essential in the root but not in the stemIn.pdf
Why is the endodermis essential in the root but not in the stem?
In the summer of 1998, after extrely hot, dry weather, the Georgia corn harvest was expected to
be reduced by at least 25%. Using your knowledge of the dual functions of guard cells relative to
water retention and gasexchange, explain the reduction in photosynthetic productivity.
Plant cells have cell walls and animal cells do not. How does this difference relate to differences
in plant andanimal function?
Table 20.2 – Structure and Function of Plant CellsCell TypeStructureFunctionPlant
OrganEpidermisGuard CellsParenchymaCollenchymaSclerenchymaTracheidsVesselsSieve
TubesEndodermisPrimary MeristemsVascular CambiumPericyclePeridermRay Parenchyma
Solution
Why is the endodermis essential in the root but not in the stem?
Answer:
The endodermis in the root prevents nutrients from leaving the plant structure and returning to
the soil.The cells in the endodermis helps in water and nutrient retention by preventing nutrients
from the xylem to diffuse back into the soil. The stem is not involved in absorption of water or
nutrient hence doesn’t need endodermis..
What type of pollinators like long tubular flowersSolutionAns.pdf
What type of pollinators like long tubular flowers?
Solution
Answer- Pollination is process of transfer of pollen grain from anther to stingma and pollinators
are those which carry out the process or we can say the vector through which pollination occurs.
The birds are more attracted towards tubular and bright coloured flowers.Even bees are attracted
towards tubular flowers.The long and tubular flowers have often bright petals and flowers which
attracts bees ,other insets and birds which come to collect nectar and further acts as a pollinator
and tranfers pollens from anther to stigma of same plant or different plant of same species..
When did satellite communication become viable, i.e. what timeframe (.pdf
When did satellite communication become viable, i.e. what timeframe (years +-) What are some
of the restrictions in using Satellite communications? Does the mass of a satellite have any effect
on its orbit? What is geostationary orbit? How is it described and what altitude above the earth
are geostationary orbits? Extra Credit:Derive the Keller equations of motion and describe each
step in your calculations
Solution
1. First artificial sattelite launched by sovient union named sputnik 1 in 1957 but that was not
used for communication.Later on first artifical sattelite ballon named echo 1 in 1960 launched
which contained a passive reflector and used for communication.Then America launched a
advanced project named project score in1960 and bring revolution to communication sysytem.
2. There are various limitation of sattellite communication .some of are as:-
a) the main problem is with power to operate them at a distant,as now days solar enery has
developed but yet there is limitd power available.
b) receiver sensitivity-a lot of signal loss occur due to many reason like bad
weather,interface,noise which effects the signal.
c)signal by sattellite communication can be easilly traceable.
d)availability-sometime receiver cannot find the sattellite transmitter and unable to receive
signals.
3.No,mass of sattellite doent effect orbit of satteliite baecause as compared to earths mass mass
of sattellite become negligible.
4.Geo stationary orbit is a geosynchronous orbit in the plane of earths equator with a radius of
approx 42000km maesured from centre of earth.It has an orbital period of one sidereal day(23hrs
56 min 4 sec),thus it appers to be in same position as observed from eath.
5.A sattellite in geostationary orbit is approx at a height of 35000 km.
6. The square of the orbital period of a planet is proportional to the cube of the semimajor axis of
the ellipse.
T^2=KA^3
T=TIME PERIOD OF ORBIT
A=SEMI MAJOR AXIS OF ELLIPSE.
What makes a solid perfect What are the possible faces of the Plato.pdf
What makes a solid perfect? What are the possible faces of the Platonic solids?
Solution
Pefrect solid has two properties
1. each face is the same regular polygon and
2. Same number of polygons meet at each vertex (corner)
Possile faces :
Tetrahedron : 4 triangular faces
Cube : 6 square faces
Octahendram : 8 triangles face
Dodecahedron : 12 pentagon faces
Icosahedron : 20 triangular faces.
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