Mary is an excellent waitress. In the restaurant, she can easily hand.pdf
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Mary is an excellent waitress. In the restaurant, she can easily handle 8 tables at a time without getting overloaded/overworked. During a normal day the restaurant has an an average of 4 tables to serve at a time. What is the probability Mary will be overworked in a given day? (Hint: Find the probability there are more than 8 tables occupied) Solution This is a Poisson distribution with random variable X= no of tables Mary handles at a time having a Poisson distribution with mena value = 4 P(X>8) = 0.0214 Prob for Mary overworking is 0.0214.
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You can list anything, it doesnt matter. I just want to see code f.pdf
You can list anything, it doesn\'t matter. I just want to see code for this problem. Thank you
Solution
Include header files .......
Source code:
public class SinglyLinkedListImpl {
private Node head;
private Node tail;
public void add(T element){
Node nd = new Node();
nd.setValue(element);
System.out.println(\"Adding: \"+element);
if(head == null){
head = nd;
tail = nd;
} else {
tail.setNextRef(nd);
}
tail = nd;
}
}
public void addAfter(T element, T after){
Node tmp = head;
Node refNode = null;
System.out.println(\"Traversing to all nodes..\");
while(true){
if(tmp == null){
break;
}
if(tmp.compareTo(after) == 0){
refNode = tmp;
break;
}
tmp = tmp.getNextRef();
}
if(refNode != null){
Node nd = new Node();
nd.setValue(element);
nd.setNextRef(tmp.getNextRef());
if(tmp == tail){
tail = nd;
}
tmp.setNextRef(nd);
} else {
System.out.println(\"Unable to find the given element...\");
}
}
public void deleteFront(){
if(head == null){
System.out.println(\"Underflow...\");
}
Node tmp = head;
head = tmp.getNextRef();
if(head == null){
tail = null;
}
System.out.println(\"Deleted: \"+tmp.getValue());
}
public void deleteAfter(T after){
Node tmp = head;
Node refNode = null;
System.out.println(\"Traversing to all nodes..\");
while(true){
if(tmp == null){
break;
}
if(tmp.compareTo(after) == 0){
refNode = tmp;
break;
}
tmp = tmp.getNextRef();
}
if(refNode != null){
tmp = refNode.getNextRef();
refNode.setNextRef(tmp.getNextRef());
if(refNode.getNextRef() == null){
tail = refNode;
}
System.out.println(\"Deleted: \"+tmp.getValue());
} else {
System.out.println(\"Unable to find the given element...\");
}
}
public void traverse(){
Node tmp = head;
while(true){
if(tmp == null){
break;
}
System.out.println(tmp.getValue());
tmp = tmp.getNextRef();
}
}
public static void main(String a[]){
SinglyLinkedListImpl sl = new SinglyLinkedListImpl();
sl.add(3);
sl.add(32);
sl.add(54);
sl.add(89);
sl.addAfter(76, 54);
sl.deleteFront();
sl.deleteAfter(76);
sl.traverse();
}
}
class Node implements Comparable {
private T value;
private Node nextRef;
public T getValue() {
return value;
}
public void setValue(T value) {
this.value = value;
}
public Node getNextRef() {
return nextRef;
}
public void setNextRef(Node ref) {
this.nextRef = ref;
}
public int compareTo(T arg) {
if(arg == this.value){
return 0;
} else {
return 1;
}
}
}
This program implement the concept of single linked list..
Write a Java program that performs these operationsPrompt the use.pdf
Write a Java program that performs these operations:
Prompt the user to enter ten numbers
Print the numbers entered in the original order
Print the numbers entered in reverse order
When printing out the values, all the values should be in between square brackets [] and
separated by a single space.
Solution
Here is the solution, also I am sorting it using selection sort..
Write a complete PUP enabled website using WebMatrix. At the beginnin.pdf
Write a complete PUP enabled website using WebMatrix. At the beginning, choose the template
of empty PHP website or empty HTML website. In the major PUP file of this site, i.e. index.php,
inside PHP script block, write PHP code to print out first 10 prime numbers inclusively starting
with 2. Print these numbers in one line and separate them with two spaces. You MUST use PHP
output statement, flow control statements for selection and loop control structures in PHP.
Solution
Need to create two files named template.php and index.php
template.php
PHP include Website Template
index.php.
Which of the following is a flaw, loophole, oversight, or error that.pdf
Which of the following is a flaw, loophole, oversight, or error that makes an organization
susceptible to attack or damage?
A. Risk
B. Vulnerability
C. Threat
D. Exploit
Solution
B. Vulnerability is a flaw, loophole, oversight, or error that makes the organization susceptible to
attack or damage. All other answers are incorrect: A risk can be defined as the potential harm
that can arise from some present process or from some future event; a threat is an unwanted
event that can result in harm to an asset or service; and an exploit takes advantage of a bug,
glitch, or vulnerability..
what trade agreements were initiated by the United States and Canada.pdf
what trade agreements were initiated by the United States and Canada and what were the
RESULTS of those trade agreements?
Solution
· In the negotiations, Canada retained the right to protect its cultural industries and such
sectors as education and health care. As well, some resources such as water were meant to be left
out of the agreement..
Use the series and parallel commands in Matlab to find the transfer .pdf
Use the series and parallel commands in Matlab to find the transfer functions of
1. G(s) in series/parallel with H(s)
2. H(s) in series/parallel with T(s)
G(s) = (s+1)/(s^2+4s+10)
H(s) =(s ^2+5s+1)/(s^4+s^3+3s+10)
T(s) = (s+1)/(s+1)(s+2)(s+3)(s+4)
Solution
MATLAB CODE
G = tf([1,1],[1 3 0])
A.)
% SERIES CONNECTION
S = G * H
% PARALLEL CONNECTION
P = G + H
B.)
% SERIES CONNECTION
S1= H * T
% PARALLEL CONNECTION
P1= H + T.
True or False Even if there is a strong correlation between the ind.pdf
True or False: Even if there is a strong correlation between the independent and dependent
variable, we may not expect that an increase in the value of the independent variable is
associated with an increase in the value of the dependent variable.
Solution
False, Strong correlation always implies increase in one variable increase the other. In the same
way decrease in one decrease the other.
This is my code but not complete, please complete my.pdf
This is my code but not complete, please complete my code related by lab#4
And i wans results for output in black screen.
#include
#include
#define MAX 100;
using namespace std;
struct date
{
int day,month,year\'
};
struct STUDENT_TYPE
{
string name;
int id;
double GPA;
date DOB;
};
int i=0;
int main()
{
STUDENT_TYPE student[MAX];
int choice=-1;
while(choice!=0)
{
cout<<\"\ 0-Exit\ 1-Insert\ 2-Delete_last\ 3-Display\ 4-Search\ 5-Deletion_particular_record\ 6-
Insert_after_record\ 7-Sort(acending)\";
cout<<\"Enter your choice:\";
cin>>choice;
switch(choice)
{
case 0exit(0);
case 1:insert();break;
case 2:delete();break;
case 3:display();break;
case 4:searcht();break;
case 5:delete();break;
case 6:insert();break;
case 7:sort();break;
default:cout<<\"Wrong selection\";
}
}
return 0;
}
void insert()
{
cout<<\"Enter the student details:\";
cout<<\"student name:\";
cin>>student[i].name;
cout<<\"student id:\";
cin>>student[i].id;
cout<<\"student GPA:\";
cin>>student[i].GPA;
cout<<\"student DOB\";
cin>>student[i].DOB.day>>student[i].DOB.month>>student[i].DOB.year;
i++;
}
void delete()
{
//assign 0 to last pointed record
student[i].name=0;
student[i].id=0;
student[i].GPA=0;
student[i].DOB.day=0;student[i].DOB.month=0;student[i].DOB.year=0;
i--;
}
void display ()
{
cout<<\"student details are\ \";
for(int n=0; n>id;
for(int n=0;n>record;
for(int n=0;n>id;
for(int n=0;npos;p--)
{
// move all record towards right to make space for insertion of new record
student[p].name=student[p-1].name;
student[p].id=student[p-1].id;
student[p].GPA=student[p-1].GPA;
student[p].DOB.day=student[p-1].DOB.day;
student[p].DOB.month=student[p-1].DOB.month;
student[p].DOB.year=student[p-1].DOB.year;
}
cout<<\"enter the student details:\";
cout<<\"student name:\";
cin>>student[pos].name;
cout<<\"student id:\";
cin>>student[pos].id;
cout<<\"student GPA:\";
cin>>student[pos].GPA;
cout<<\"student DOB:\";
cin>>student[pos].DOB.day>>student[pos].DOB.month>>student[pos].DOB.year;
}
void sort()
{
// bubble sorting technique is used
struct STUDENT_TYPE TEMP[2];
for(intx=0;xstudent[y+1]id)
{
//move all the record information to temp and swap them
temp[0].name=student[j].name;
temp[j].name=student[j+1].name;
temp[j+1].name=student[0].name;
//the above three lines are repeated for all the student fields
}
}
}
}
#include
#include
#define MAX 100;
using namespace std;
struct date
{
int day,month,year\'
};
struct STUDENT_TYPE
{
string name;
int id;
double GPA;
date DOB;
};
int i=0;
int main()
{
STUDENT_TYPE student[MAX];
int choice=-1;
while(choice!=0)
{
cout<<\"\ 0-Exit\ 1-Insert\ 2-Delete_last\ 3-Display\ 4-Search\ 5-Deletion_particular_record\ 6-
Insert_after_record\ 7-Sort(acending)\";
cout<<\"Enter your choice:\";
cin>>choice;
switch(choice)
{
case 0exit(0);
case 1:insert();break;
case 2:delete();break;
case 3:display();break;
case 4:searcht();break;
case 5:delete();break;
case 6:insert();break;
case 7:sort();break;
default:cout<<\"Wrong selection\";
}
}
return 0;
}
void insert()
{
cout.
Recommended
You can list anything, it doesnt matter. I just want to see code f.pdf
You can list anything, it doesn\'t matter. I just want to see code for this problem. Thank you
Solution
Include header files .......
Source code:
public class SinglyLinkedListImpl {
private Node head;
private Node tail;
public void add(T element){
Node nd = new Node();
nd.setValue(element);
System.out.println(\"Adding: \"+element);
if(head == null){
head = nd;
tail = nd;
} else {
tail.setNextRef(nd);
}
tail = nd;
}
}
public void addAfter(T element, T after){
Node tmp = head;
Node refNode = null;
System.out.println(\"Traversing to all nodes..\");
while(true){
if(tmp == null){
break;
}
if(tmp.compareTo(after) == 0){
refNode = tmp;
break;
}
tmp = tmp.getNextRef();
}
if(refNode != null){
Node nd = new Node();
nd.setValue(element);
nd.setNextRef(tmp.getNextRef());
if(tmp == tail){
tail = nd;
}
tmp.setNextRef(nd);
} else {
System.out.println(\"Unable to find the given element...\");
}
}
public void deleteFront(){
if(head == null){
System.out.println(\"Underflow...\");
}
Node tmp = head;
head = tmp.getNextRef();
if(head == null){
tail = null;
}
System.out.println(\"Deleted: \"+tmp.getValue());
}
public void deleteAfter(T after){
Node tmp = head;
Node refNode = null;
System.out.println(\"Traversing to all nodes..\");
while(true){
if(tmp == null){
break;
}
if(tmp.compareTo(after) == 0){
refNode = tmp;
break;
}
tmp = tmp.getNextRef();
}
if(refNode != null){
tmp = refNode.getNextRef();
refNode.setNextRef(tmp.getNextRef());
if(refNode.getNextRef() == null){
tail = refNode;
}
System.out.println(\"Deleted: \"+tmp.getValue());
} else {
System.out.println(\"Unable to find the given element...\");
}
}
public void traverse(){
Node tmp = head;
while(true){
if(tmp == null){
break;
}
System.out.println(tmp.getValue());
tmp = tmp.getNextRef();
}
}
public static void main(String a[]){
SinglyLinkedListImpl sl = new SinglyLinkedListImpl();
sl.add(3);
sl.add(32);
sl.add(54);
sl.add(89);
sl.addAfter(76, 54);
sl.deleteFront();
sl.deleteAfter(76);
sl.traverse();
}
}
class Node implements Comparable {
private T value;
private Node nextRef;
public T getValue() {
return value;
}
public void setValue(T value) {
this.value = value;
}
public Node getNextRef() {
return nextRef;
}
public void setNextRef(Node ref) {
this.nextRef = ref;
}
public int compareTo(T arg) {
if(arg == this.value){
return 0;
} else {
return 1;
}
}
}
This program implement the concept of single linked list..
Write a Java program that performs these operationsPrompt the use.pdf
Write a Java program that performs these operations:
Prompt the user to enter ten numbers
Print the numbers entered in the original order
Print the numbers entered in reverse order
When printing out the values, all the values should be in between square brackets [] and
separated by a single space.
Solution
Here is the solution, also I am sorting it using selection sort..
Write a complete PUP enabled website using WebMatrix. At the beginnin.pdf
Write a complete PUP enabled website using WebMatrix. At the beginning, choose the template
of empty PHP website or empty HTML website. In the major PUP file of this site, i.e. index.php,
inside PHP script block, write PHP code to print out first 10 prime numbers inclusively starting
with 2. Print these numbers in one line and separate them with two spaces. You MUST use PHP
output statement, flow control statements for selection and loop control structures in PHP.
Solution
Need to create two files named template.php and index.php
template.php
PHP include Website Template
index.php.
Which of the following is a flaw, loophole, oversight, or error that.pdf
Which of the following is a flaw, loophole, oversight, or error that makes an organization
susceptible to attack or damage?
A. Risk
B. Vulnerability
C. Threat
D. Exploit
Solution
B. Vulnerability is a flaw, loophole, oversight, or error that makes the organization susceptible to
attack or damage. All other answers are incorrect: A risk can be defined as the potential harm
that can arise from some present process or from some future event; a threat is an unwanted
event that can result in harm to an asset or service; and an exploit takes advantage of a bug,
glitch, or vulnerability..
what trade agreements were initiated by the United States and Canada.pdf
what trade agreements were initiated by the United States and Canada and what were the
RESULTS of those trade agreements?
Solution
· In the negotiations, Canada retained the right to protect its cultural industries and such
sectors as education and health care. As well, some resources such as water were meant to be left
out of the agreement..
Use the series and parallel commands in Matlab to find the transfer .pdf
Use the series and parallel commands in Matlab to find the transfer functions of
1. G(s) in series/parallel with H(s)
2. H(s) in series/parallel with T(s)
G(s) = (s+1)/(s^2+4s+10)
H(s) =(s ^2+5s+1)/(s^4+s^3+3s+10)
T(s) = (s+1)/(s+1)(s+2)(s+3)(s+4)
Solution
MATLAB CODE
G = tf([1,1],[1 3 0])
A.)
% SERIES CONNECTION
S = G * H
% PARALLEL CONNECTION
P = G + H
B.)
% SERIES CONNECTION
S1= H * T
% PARALLEL CONNECTION
P1= H + T.
True or False Even if there is a strong correlation between the ind.pdf
True or False: Even if there is a strong correlation between the independent and dependent
variable, we may not expect that an increase in the value of the independent variable is
associated with an increase in the value of the dependent variable.
Solution
False, Strong correlation always implies increase in one variable increase the other. In the same
way decrease in one decrease the other.
This is my code but not complete, please complete my.pdf
This is my code but not complete, please complete my code related by lab#4
And i wans results for output in black screen.
#include
#include
#define MAX 100;
using namespace std;
struct date
{
int day,month,year\'
};
struct STUDENT_TYPE
{
string name;
int id;
double GPA;
date DOB;
};
int i=0;
int main()
{
STUDENT_TYPE student[MAX];
int choice=-1;
while(choice!=0)
{
cout<<\"\ 0-Exit\ 1-Insert\ 2-Delete_last\ 3-Display\ 4-Search\ 5-Deletion_particular_record\ 6-
Insert_after_record\ 7-Sort(acending)\";
cout<<\"Enter your choice:\";
cin>>choice;
switch(choice)
{
case 0exit(0);
case 1:insert();break;
case 2:delete();break;
case 3:display();break;
case 4:searcht();break;
case 5:delete();break;
case 6:insert();break;
case 7:sort();break;
default:cout<<\"Wrong selection\";
}
}
return 0;
}
void insert()
{
cout<<\"Enter the student details:\";
cout<<\"student name:\";
cin>>student[i].name;
cout<<\"student id:\";
cin>>student[i].id;
cout<<\"student GPA:\";
cin>>student[i].GPA;
cout<<\"student DOB\";
cin>>student[i].DOB.day>>student[i].DOB.month>>student[i].DOB.year;
i++;
}
void delete()
{
//assign 0 to last pointed record
student[i].name=0;
student[i].id=0;
student[i].GPA=0;
student[i].DOB.day=0;student[i].DOB.month=0;student[i].DOB.year=0;
i--;
}
void display ()
{
cout<<\"student details are\ \";
for(int n=0; n>id;
for(int n=0;n>record;
for(int n=0;n>id;
for(int n=0;npos;p--)
{
// move all record towards right to make space for insertion of new record
student[p].name=student[p-1].name;
student[p].id=student[p-1].id;
student[p].GPA=student[p-1].GPA;
student[p].DOB.day=student[p-1].DOB.day;
student[p].DOB.month=student[p-1].DOB.month;
student[p].DOB.year=student[p-1].DOB.year;
}
cout<<\"enter the student details:\";
cout<<\"student name:\";
cin>>student[pos].name;
cout<<\"student id:\";
cin>>student[pos].id;
cout<<\"student GPA:\";
cin>>student[pos].GPA;
cout<<\"student DOB:\";
cin>>student[pos].DOB.day>>student[pos].DOB.month>>student[pos].DOB.year;
}
void sort()
{
// bubble sorting technique is used
struct STUDENT_TYPE TEMP[2];
for(intx=0;xstudent[y+1]id)
{
//move all the record information to temp and swap them
temp[0].name=student[j].name;
temp[j].name=student[j+1].name;
temp[j+1].name=student[0].name;
//the above three lines are repeated for all the student fields
}
}
}
}
#include
#include
#define MAX 100;
using namespace std;
struct date
{
int day,month,year\'
};
struct STUDENT_TYPE
{
string name;
int id;
double GPA;
date DOB;
};
int i=0;
int main()
{
STUDENT_TYPE student[MAX];
int choice=-1;
while(choice!=0)
{
cout<<\"\ 0-Exit\ 1-Insert\ 2-Delete_last\ 3-Display\ 4-Search\ 5-Deletion_particular_record\ 6-
Insert_after_record\ 7-Sort(acending)\";
cout<<\"Enter your choice:\";
cin>>choice;
switch(choice)
{
case 0exit(0);
case 1:insert();break;
case 2:delete();break;
case 3:display();break;
case 4:searcht();break;
case 5:delete();break;
case 6:insert();break;
case 7:sort();break;
default:cout<<\"Wrong selection\";
}
}
return 0;
}
void insert()
{
cout.
The terminology employed in factory automation is often confusing in.pdf
The terminology employed in factory automation is often confusing in part because the names
are so similar and in part because the sub areas do indeed overlap. Carefully distinguish among
CIM , CAD , CAE , CAM and CAPP indicating any overlaps.
Solution
CIM(computer integrated manufacturing):
It is the approach of using computers for controling the entire production process.
This integration allows individual processes to exchange information with each other and
initiate actions among them.
It simply means the fully use of computer controlled machines and fully automation system in
manufacturing products.
CAD(computer aided design):
It is a software and is used by architects, engineers or artists for the creation of precision
drawing for technical overview. it is also helpful in the creation of 2D or 3D models.
CAE(computer aided engineering):
Is a process of solving problems related to engineering through the help of interactive graphical
software.It can be graphical or mathematical or modeling.
CAM(computer aided manufacturing):
is the software for the controlling of maching tools or to assist all the process for the
manufacturing of the machine.
CIPP(computer aided process planning):
Is the use of technology for the process and planning of a part or product in manufacturing.
CAPP is the process in between CAD and CAM. It provides the planning for the process for
producing a specific part.
///////////////////////////////////////////////////////////////// differences
////////////////////////////////////////////////////////////////
The logic is that CAD/CAM provide the tools,
CIM provides the internal logic and that is used while organizing the computers or the programs
and the information that flows among them.
Computer-aided manufacturing moto is to use the computer software to control machine tools
and related machinery(or machine parts) in the manufacturing process.
It is not technically or logically considered a system for engineering software programs, but
rather than for hardware solution.But on the other side computer aided engineering
involves the processes the software work, like the analysis or simulation part of the actual work
done..
The probability that A hits a target is 14 and the probability that.pdf
The probability that A hits a target is 1/4 and the probability that B hits a target 1/3.
(a) If each fires twice, what is the probability that the target will be hit at least once?
(b) If each fire once and the target is hit only once, what is the probability that A hit the target?
Solution
probability that A hits a target = 1/4
probability that B hits a target = 1/3
a) after hitting twice, probability that the target will be hit at least once = 1 - probability that the
target is not hit at all
probability that the target is not hit at all = Probability that A does not hit the target the first time
* Probability that B does not hit the target the first time * Probability that A does not hit the
target the second time * Probability that B does not hit the target the second time
= (1 - 1/4) * (1 - 1/3) * (1 - 1/4) * (1 - 1/3)
= 3/4 * 2/3 * 3/4 * 2/3
= 1/4
after hitting twice, probability that the target will be hit at least once = 1 - 1/4 = 3/4
------------------------------------------
b)If each fire once and the target is hit only once, the probability that A hit the target =
probability that A hit the target * probability that B missed + probability that A hit the target *
probability that B hit the target
= 1/4 * (1 - 1/3) + 1/4 * 1/3
= 1/4 * 2/3 + 1/4 * 1/3
= 1/4.
Step 2 Formulate a HypothesisFormulate a hypothesis by making an .pdf
Step 2: Formulate a Hypothesis
Formulate a hypothesis by making an explicit statement about the cause of the common cold
based on the observations and generalizations you made in Step 1.
based on the 3 things below
HypothesisObservation 1: Common cold is caused by bacterial or viral infection and transmitted
from one person to other through droplets from infected person. The person infected with
common cold show protect his nose or mouth with steril mask, which covers mouth and nose. If
nose or mouth is not covered by mask, droplets can transmit common cold to many people in
surrounding environment.
Observation 2: Common cold is widely transmitted very easily, if a person infected with
common cold and he sneezes in public places which is having high population, several thousands
of droplets can be transported through air at onetime, when person sneezes, so avoid moving in
public places when common cold is rampant in specific area.
Observation 3: Doctors who examine the persons suffering with common cold should be careful,
the physician should use antibiotics or vaccines to prevent common cold infection.
Solution
The hypothesis is this statement:
Common cold is a viral infectious disease which can be transmistted from one person to another
on sneezing.It can be prevented by taking antibiotics and vaccines by the physicians while
check-up..
Since the directions of v and a are entirely independent of each othe.pdf
Since the directions of v and a are entirely independent of each other the derivative of the speed
d|b|/dt can take any value between -|a| and + |a| including plusminus |a|. True False
Solution
False
Though direction of change of velocity with respect to time is independent of velocity, The the
magnitude of change of velocity with respect to time always represent accleration |a|, and its
value can be +/-|a|.
Reaction StatisticsBackgroundWhen collecting experimental data f.pdf
Reaction Statistics
Background
When collecting experimental data from chemical reactions, it’s often useful to generate
statistics based on the data. One experimental measure is the reaction rate in moles per second,
representing the amount of product formed per unit time. If we have a set of these reaction rates
collected in a data file, we can calculate summary statistical information, such as the minimum
and maximum values, the arithmetic mean, variance, and standard deviation.
Finding the minimum and maximum are straightforward: we scan through all the data, and keep
track of the smallest and largest values encountered. The arithmetic mean (or average) is defined
as:
m = (X1+X2+…+Xn)/n
where n is the number of reaction rates, and xi represents one experimental reaction rate. Once
you have the arithmetic mean, the variance can be calculated as the mean of the squares of the
deviations from the mean:
v= ((Xn-m)^2+(X2 – m^2) + …+(Xn-m)^2)/n
where n is the number of reaction rates, xi represents one experimental reaction rate, and m is the
arithmetic mean of the reaction rates. Once you have the variance, you can calculate the
standarddeviation as:
s = sqrt(v)
Assignment
You will develop a C program that reads data from an input text file containing chemical
reaction rates (in moles per second), and computes the minimum, maximum, arithmetic mean,
variance, and standard deviation for that set of data. Your instructor will provide input text files,
which will each contain a series of double values, each on a line of its own within the file. Your
program will read one of these input files into an array of doubles (i.e., it will populate the array
using the data values from the file). Your program will then calculate statistics using that array of
doubles, and will write the results out to a separate output text file.
The goals of this assignment are to provide you with experience reading and writing text data
files, provide you with experience passing an array into a function, and give you more
experience organizing your program into separate C functions.
When defining your C functions, you may either:
Define the functions before they are used by any other functions, OR
Place function prototypes near the top of your code (after all #include directives), and then define
the functions in any order.
Part 1 – Opening Files and Reading Data
Create a new Visual Studio Win32 Console project named reactionstats. Create a new C source
file named project4.c within that project. At the top of the source file, #define
_CRT_SECURE_NO_WARNINGS, and then include stdio.h, math.h, stdlib.h, stdbool.h, and
float.h.
Inside your main function, define the following:
A one-dimensional array of 600 doubles. They do not need to be initialized to anything at this
stage.
An integer variable to hold the number of elements in the array, initialized using the approach
demonstrated in class, using sizeof.
A FILE pointer variable, which will refer to the input data text file..
Please explain in detaile the European debt crisisSolutionIn 2.pdf
Please explain in detaile the European debt crisis
Solution
In 2007, EU economies, on the surface, seemed to be doing relatively well – with positive
economic growth and low inflation. Public debt was often high, but (apart from Greece) it
appeared to be manageable assuming a positive trend in economic growth.
However, the global credit crunch changed many things.
EU Bond Yields
Uncompetitiveness
Eurozone countries with debt problems are also generally uncompetitive with a higher inflation
rate and higher labour costs. This means there is less demand for their exports, higher current
account deficit and lower economic growth. (The UK became uncompetitive, but being outside
the Euro, the Pound could depreciate 20% restoring competitiveness.
Poor Prospects for Growth
People have been selling Greek and Italian bonds for two reasons. Firstly because of high
structural debt, but also because of very poor prospects for growth. Countries facing debt crisis
have to cut spending and implement austerity budgets. This causes lower growth, higher
unemployment and lower tax revenues. However, they have nothing to stimulate economic
growth.
Individual Cases
Greece’s Case
In early 2010 these difficult developments reflected in rising spreads on sovereign bond yields
between the affected peripheral member states of Greece, Ireland, Portugal and Spain, and most
notably Germany. The Greek yield diverged in early 2010 with Greece needing eurozone
assistance by May 2010. Greece received two bailouts from the EU over the following five years
during which the country adopted EU-mandated austerity measures to cut costs while
experiencing a further economic recession as well as social unrest. In June 2015 Greece, with
divided political and fiscal leadership and a continued recession, was facing a sovereign default.
However, on July 5, 2015 the Greek people voted against further EU austerity measures, with a
possibility of Greece leaving the European Monetary Union entirely. The withdrawal of a nation
from the EMU is unprecedented, and the speculated effects on Greece\'s economy if the currency
is returned to the drachma range from total economic collapse to a surprise recovery.
Ireland Case
Ireland followed Greece in requiring a bailout in November 2010, with Portugal next in May
2011. Italy and Spain were also vulnerable, with Spain requiring official assistance in June 2012
along with Cyprus. By 2014, Ireland, Portugal and Spain, due to various fiscal reforms, domestic
austerity measures and other unique economic factors, all successfully exited their bailout
programs requiring no further assistance. The road to full economic recovery is still underway.
Cyprus, too, reported a slow but steady ongoing recovery, averting further financial crisis thus
far.
Summary of Main Causes of Debt Crisis.
Part 1 Many phone companies are replacing the wire in their phone s.pdf
Part 1: Many phone companies are replacing the wire in their phone systems with fiber optic
cable. Name at least two advantages they expect to gain from doing so. In one paragraph each,
describe why fiber optic cable gives each advantage.
Part 2: Explain the difference between an amplifier and a repeater for transmitting data over
distances. In your answer, tell why repeaters are preferred for digital data.
Part 3: Explain why a hardware timer that can generate interrupts is necessary to support
concurrent processing.
Part 4: Explain why a graphical or window-based operating system interface is more readily
amenable to running multiple tasks than is a command line interface.
Part 5: What is the spectrum of a signal? What is the relationship between the spectrum of a
signal and the bandwidth of a channel? (Use the textbook; you\'ll likely get a wrong answer from
a web search!)
Part 6: Name and briefly describe the three characteristics of a sine wave signal that can be
modulated to allow the signal to carry information.
Part 7: Explain how frequency division multiplexing can be used to carry two or more
independent information streams on one communication medium.
Part 8: A modern CPU has a bit that can place the CPU in the system state or the application
state. Briefly describe the difference between \"system state\" and \"application state.\"
Part 9: What does it mean to \"mount\" or \"unmount\" a storage device? Explain why
unmounting a device is necessary in the Windows operating system.
Part 10: Explain what it means to bootstrap a computer. In your answer, describe the steps
executed by the hardware and software in bootstrapping a computer that is initially turned off.
Solution
Part 1:
Due to much lower attenuation and interference, provides long distance, Fiber optic signals are
stronger.These are much thinner and lighter than metal wires.Data can be transmitted digitally.It
has less susceptible to interference.
Part 2:
An amplifier can not discriminate between the intended signal and noise,it amplifies equally
everything fed into it.A repeater does not amplify the signal.It regenerates the signal.When it
receives a weakened or corrupted signal,it creates a copy,bit for bit at the original strength. A
repeater is a regenerator.
Using the large number of amplifiers over a long, lossy link inevitablyincreases the noise and
decreases the signal to noise levels.A repeater is usually a receiver followed by a regenerating
logic and transmitter.In this case regeneration receives the digital signals and retimes it to
remove jitter and then retransmits it with minimal baseband noise.
Part 4:
Graphical User Interface uses graphics along with a keyboard and mouse,to provide an easy to
use interface to a program.It provides windows,pulldown menus,buttons,scrollbars,iconic
images,wizards and other icons and the mouse to enable the users to interact with the operating
system. users easy to control,manipulate and toggle through multiple programs and fo.
List three characteristics that influence the rate of simple diffusi.pdf
List three characteristics that influence the rate of simple diffusion of small molecules.
Solution
Answer= Three characteristics that influence the rate of simple diffusion of small molecules
1] Particle size = Rate of diffusion is inversaly proportional to particle size
Since the heat of environment is the energy source for diffusion the smaller particles moves at a
faster rate than larger paricles at a given temperature
2] temperature = Rate of diffusion is directly proportional to temperature
As temperature increses rate of diffusion also increases
At high temp. particles move faster because more energy is available to diffuse them
3] Concentration difference = rate of increses as conc. difference increases
The substance diffusing between 2 areas exibits a conc. diffference as the particle diffuse from
one side of the wall to other side
4] particle distance = rate of diffusion is directly proportional to particle distance
it takes longer for a particle to diffuse when it is further away than it does for a particle that is
closer to the point of diffusion.
Its all worked out, but Im still very confused by the steps .pdf
It\'s all worked out, but I\'m still very confused by the steps they took to get each part. Like why
multiply everything by (x^2 + 9) and then in the next step, how did they end up with those
answers? I\'m just very confused.
Solution
they just multiplide (x^2 + 9) for simpification
LIKE EXAMPLE
eq 2+3=5
if we multify both sides with 2
(2+3)2=5*2
10=10
equality not changed ,,,like we use this in mathematics
after solving eq they got X parameters and they cheked in original eq.
Is the world overpopulated What are the arguments for the notion th.pdf
Is the world overpopulated? What are the arguments for the notion that the world is
overpopulated? What are some alternative approaches to this topic?
Solution
The human popualtion has been growing ever since the evolution of mankind. Overpopulation is
a condition when the population exceeds the carrying capacity of the environment. There is
continuous increase in the birth rate and a significant decrease in the mortality rate. This results
in increase in population at an alarming rate. The population of the world is predicted to keep on
rising 2050. The sources and resources are being exhausted. This would lead to environment\'s
inability to support life, reduced quality of life..
In the ellipse shown below, each point marked with a dot is called a(.pdf
In the ellipse shown below, each point marked with a dot is called a(n) _____ A. vertex B.
focus C. axis D. center
Solution
The 2 points shown in the figure are the
B. focus of the ellipse
Vertex are points that lie on the ellipse
Axis are lines which lie in the ellipse
Center is at the \"center\" of ellipse..
Identify the following Level of caudal end of subarachnoid space E.pdf
Identify the following: Level of caudal end of subarachnoid space Epidural, subarachnoid
spaces Level of caudal end of spinal cord
Solution
Answer:-
Level of caudal end of Subarachnoid space is lower border S-2 Vertebra.
Epidural- Basically epidural space is define as the outermost part of the spinal canal.it is also
called as the epidural cavity. this space lying outside th edura meter. Dura meter enclsoed by the
subarachnoid space. it contains a lumphatics spinal nerve roots and network of internal vertebral
venous plexuses.level is L1 & L2.
Level of caudal end of spinal cord. - The Spinal cord can be defined as the long , thin tubular
bundles of nervous tissue and it supports cells and it run in vertebral column. the caudal end of
spianl cord is generaly cone shaped it is also called as the conus medullaris. and its ends at S2
level..
If the set of integers were given the indiscrete topology, would it .pdf
If the set of integers were given the indiscrete topology, would it be connected? Compact?
Hausdorff?
The answer is It is connected, compact but not Hausdorff. But can you explain why?
Solution
in indiscrete topology the only open sets are S, phi.
and also these are the only closed sets.
so by theorem we know that X is connected if The only subsets of X which are both open and
closed (clopen sets) are X and the empty set.
hence it is connected.
X is a hausdroff if any two distinct points of X can be separated by neighborhoods.
since there are only two set one is X and another is empty set,
so we can not seperate two distinct points of X by their neighbourhood..
2. When did we establish four time zones in the US And whySolu.pdf
2. When did we establish four time zones in the US? And why?
Solution
Four standard time zones for the continental United States were introduced on November 18,
1883.
American railroads maintained many different time zones during the late 1800s. It is so difficulty
to find the time schedules of the trains. Because, every city in the United States used a different
time standard so there were more than 300 local sun times to choose from. Operators of the new
railroad lines needed a new time plan that would offer a uniform train schedule for departures
and arrivals. Four standard time zones for the continental United States were introduced on
November 18, 1883..
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimil.pdf
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimilar to the natural
immune response to a VIRAL INFECTION?:
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimilar to the natural
immune response to a VIRAL INFECTION?:
Solution
vaccination to a KILLED VIRAL VACCINE is dissimilar to the natural immune response to a
VIRAL INFECTION
natural immune response to a VIRAL INFECTION:
The natural immune system is the ability to recognize viruses as ‘foreign’. Viral proteins and
nucleic acids are distinguished from cellular counterparts by cellular proteins called pattern
recognition receptors (illustrated). These are proteins present either in the cell cytoplasm or on
cellular membranes, where they detect viral components.
The presence of cytokines in the blood is typically one of the earliest indications that the host has
been infected with a virus.
In many viral infections, the early action of cytokines produced by infected cells and dendritic
cells is sufficient to eliminate the pathogen. If innate defenses are overwhelmed and virus
replication continues unabated, then the second-line defenses are mobilized to ensure host
survival. These comprise the adaptive immune response – antibodies and immune cells. Days to
weeks are required to mount an adaptive immune response that is specifically tailored to the
infecting virus.
Whereas in a KILLED VIRAL VACCINE:
Inactivated vaccines are further classified depending on the method used to inactivate the
virus.Whole virus vaccines use the entire virus particle, fully destroyed using heat, chemicals,or
radiation.Split virus vaccines are produced by using a detergent to disrupt the virus. Subunit
vaccines are produced by purifying out the antigens that best stimulate the immune system to
mount a response to the virus, while removing other components necessary for the virus to
replicate or survive or that can cause adverse reactions..
How do you explain Kennys acceptance by so many other people and t.pdf
How do you explain Kenny\'s acceptance by so many other people and the respect they have for
him?
Can all supervisors operate the way Kenny does and be effective? Explain your answer.
Given Kenny\'s effectiveness in his present job, would you recommend promoting him into high
levels of management? Explain.
Review the characteristics of transformational leadership, adaptive leadership, and servant
leadership. Which characteristics apply to Kenny?
Solution
1.
Kenny\'s acceptance by people is based on the leadership approach taken by him. He listens to
the problems of the crews, had a wide knowledge about the work and in actuality he praticed
what he preached. He never treated the people infairly and was just with them This helped
Kenny in winning the confidence of the people. He was not autocratic and allowed people to
work on their own pace. He got result by givin each employee his own space.
2.
It is defficult for all the people to operate in the same way as Keeny behaved, as different people
have different personality traits, but people can still learn to behave as Kenny behaved and be
affective at the work place.
3.
Kenny was highly effective in his present role as he completely transformed an underperforming
team into a high performing team. The team which he was currently supervising were lowest in
terms of production a year ago and after one year, they were the most productive team.
Yes, Kenny should be recommended for promotion as in that case Kenny would not be limited in
terms of providing leadership skills. Kenny has a proven track record in terms of providing
effective leadership and would be an asset at higher levels as it would ive him more
responsibilities, wherein he would be able to exercise his leadership skills at broader level.
At the same time good leadership skills at the higher level would eventually result in higher
production at the lower level as the morale of the people wuld be higher..
Find the maximum number of zeros that the following polynomial functi.pdf
Find the maximum number of zeros that the following polynomial function may have. Do not
attempt to find the zeros. f(x) - -4xf^7 + x^4 - x^2 + 8 What is the maximum number of zeros
that this polynomial function can have?
Solution
SInce the degree of the polynomial function is 7 so maximum number of zeros can be 7.
find all homomorphic images of the octic group D4SolutionSuppo.pdf
find all homomorphic images of the octic group D4
Solution
Suppose f:D4 -> G is a homomorphism. ker(f) is a normal subgroup of D4, and from the first
isomorphism theorem, D4/ker(f) = f(D4). That is, the homomorphic images are just the quotient
groups (in general).
We use the presentation D4 = (\' denoting the inverse). Through a tedious but standard
calculation, the normal subgroups of D4 are {1}, , , , , and D4 itself.
D4/{1} is of course just D4.
here has order 2, so D4/ has order 4, and is thus either the Klein 4-group (Viergruppe) or the
cyclic group of order 4. Taking a quotient cannot increase the order of an element, and only r and
r\' have order 4 in D4, yet their homomorphic images have order 2 since r2 and (r\')2 are both in .
D4/ must then be the Viergruppe.
The remaining proper normal subgroups all have order 4, so the quotient has order 8/4 = 2, and
hence must be the cyclic group of order 2.
D4/D4 = 1 obviously.
An explicit homomorphism giving each of these images is the natural projection map induced
by a given normal subgroup..
Facilitated diffusion is a type of passive transport that allows solu.pdf
Facilitated diffusion is a type of passive transport that allows solutes to move across the plasma
membrane of a cell. Which statements describe facilitated diffusion? Solutes move down their
concentration gradient directly through the plasma membrane without the use of energy. Solutes
move across the membrane down their concentration gradient through specialized membrane
proteins. Small, charged molecules and ions move down their concentration gradient into a cell
through proteins in the plasma membrane. Membrane proteins use energy to move solutes
across the membrane against their concentration gradient. Small, unchanged molecules move
down their concentrating gradient out of a cell directly through the plasma membrane.
Solution
FACILIATED DIFFUSION:SMALL,CHARGED MOLECULES AND IONS MOVE DOWN
THEIR CONCENTRATION GRADIENT IN A CELL THROUGH PROTEINS IN THE
PLASMA MEMBRANE....
During WWII, starting in 1944, american bombers flew over Germany an.pdf
During WWII, starting in 1944, american bombers flew over Germany and bombed the industrial
sites. Planes would come back, and some of them had been shot at. Some had holes in the wings
but most had holes in the fuselage. The head of the Air Force ordered that the armor of the planes
be reinforced. What part of the planes should be reinforced?
Solution
The fuselage armor should be reinforced because most planes had holes in the fuselage..
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The terminology employed in factory automation is often confusing in.pdf
The terminology employed in factory automation is often confusing in part because the names
are so similar and in part because the sub areas do indeed overlap. Carefully distinguish among
CIM , CAD , CAE , CAM and CAPP indicating any overlaps.
Solution
CIM(computer integrated manufacturing):
It is the approach of using computers for controling the entire production process.
This integration allows individual processes to exchange information with each other and
initiate actions among them.
It simply means the fully use of computer controlled machines and fully automation system in
manufacturing products.
CAD(computer aided design):
It is a software and is used by architects, engineers or artists for the creation of precision
drawing for technical overview. it is also helpful in the creation of 2D or 3D models.
CAE(computer aided engineering):
Is a process of solving problems related to engineering through the help of interactive graphical
software.It can be graphical or mathematical or modeling.
CAM(computer aided manufacturing):
is the software for the controlling of maching tools or to assist all the process for the
manufacturing of the machine.
CIPP(computer aided process planning):
Is the use of technology for the process and planning of a part or product in manufacturing.
CAPP is the process in between CAD and CAM. It provides the planning for the process for
producing a specific part.
///////////////////////////////////////////////////////////////// differences
////////////////////////////////////////////////////////////////
The logic is that CAD/CAM provide the tools,
CIM provides the internal logic and that is used while organizing the computers or the programs
and the information that flows among them.
Computer-aided manufacturing moto is to use the computer software to control machine tools
and related machinery(or machine parts) in the manufacturing process.
It is not technically or logically considered a system for engineering software programs, but
rather than for hardware solution.But on the other side computer aided engineering
involves the processes the software work, like the analysis or simulation part of the actual work
done..
The probability that A hits a target is 14 and the probability that.pdf
The probability that A hits a target is 1/4 and the probability that B hits a target 1/3.
(a) If each fires twice, what is the probability that the target will be hit at least once?
(b) If each fire once and the target is hit only once, what is the probability that A hit the target?
Solution
probability that A hits a target = 1/4
probability that B hits a target = 1/3
a) after hitting twice, probability that the target will be hit at least once = 1 - probability that the
target is not hit at all
probability that the target is not hit at all = Probability that A does not hit the target the first time
* Probability that B does not hit the target the first time * Probability that A does not hit the
target the second time * Probability that B does not hit the target the second time
= (1 - 1/4) * (1 - 1/3) * (1 - 1/4) * (1 - 1/3)
= 3/4 * 2/3 * 3/4 * 2/3
= 1/4
after hitting twice, probability that the target will be hit at least once = 1 - 1/4 = 3/4
------------------------------------------
b)If each fire once and the target is hit only once, the probability that A hit the target =
probability that A hit the target * probability that B missed + probability that A hit the target *
probability that B hit the target
= 1/4 * (1 - 1/3) + 1/4 * 1/3
= 1/4 * 2/3 + 1/4 * 1/3
= 1/4.
Step 2 Formulate a HypothesisFormulate a hypothesis by making an .pdf
Step 2: Formulate a Hypothesis
Formulate a hypothesis by making an explicit statement about the cause of the common cold
based on the observations and generalizations you made in Step 1.
based on the 3 things below
HypothesisObservation 1: Common cold is caused by bacterial or viral infection and transmitted
from one person to other through droplets from infected person. The person infected with
common cold show protect his nose or mouth with steril mask, which covers mouth and nose. If
nose or mouth is not covered by mask, droplets can transmit common cold to many people in
surrounding environment.
Observation 2: Common cold is widely transmitted very easily, if a person infected with
common cold and he sneezes in public places which is having high population, several thousands
of droplets can be transported through air at onetime, when person sneezes, so avoid moving in
public places when common cold is rampant in specific area.
Observation 3: Doctors who examine the persons suffering with common cold should be careful,
the physician should use antibiotics or vaccines to prevent common cold infection.
Solution
The hypothesis is this statement:
Common cold is a viral infectious disease which can be transmistted from one person to another
on sneezing.It can be prevented by taking antibiotics and vaccines by the physicians while
check-up..
Since the directions of v and a are entirely independent of each othe.pdf
Since the directions of v and a are entirely independent of each other the derivative of the speed
d|b|/dt can take any value between -|a| and + |a| including plusminus |a|. True False
Solution
False
Though direction of change of velocity with respect to time is independent of velocity, The the
magnitude of change of velocity with respect to time always represent accleration |a|, and its
value can be +/-|a|.
Reaction StatisticsBackgroundWhen collecting experimental data f.pdf
Reaction Statistics
Background
When collecting experimental data from chemical reactions, it’s often useful to generate
statistics based on the data. One experimental measure is the reaction rate in moles per second,
representing the amount of product formed per unit time. If we have a set of these reaction rates
collected in a data file, we can calculate summary statistical information, such as the minimum
and maximum values, the arithmetic mean, variance, and standard deviation.
Finding the minimum and maximum are straightforward: we scan through all the data, and keep
track of the smallest and largest values encountered. The arithmetic mean (or average) is defined
as:
m = (X1+X2+…+Xn)/n
where n is the number of reaction rates, and xi represents one experimental reaction rate. Once
you have the arithmetic mean, the variance can be calculated as the mean of the squares of the
deviations from the mean:
v= ((Xn-m)^2+(X2 – m^2) + …+(Xn-m)^2)/n
where n is the number of reaction rates, xi represents one experimental reaction rate, and m is the
arithmetic mean of the reaction rates. Once you have the variance, you can calculate the
standarddeviation as:
s = sqrt(v)
Assignment
You will develop a C program that reads data from an input text file containing chemical
reaction rates (in moles per second), and computes the minimum, maximum, arithmetic mean,
variance, and standard deviation for that set of data. Your instructor will provide input text files,
which will each contain a series of double values, each on a line of its own within the file. Your
program will read one of these input files into an array of doubles (i.e., it will populate the array
using the data values from the file). Your program will then calculate statistics using that array of
doubles, and will write the results out to a separate output text file.
The goals of this assignment are to provide you with experience reading and writing text data
files, provide you with experience passing an array into a function, and give you more
experience organizing your program into separate C functions.
When defining your C functions, you may either:
Define the functions before they are used by any other functions, OR
Place function prototypes near the top of your code (after all #include directives), and then define
the functions in any order.
Part 1 – Opening Files and Reading Data
Create a new Visual Studio Win32 Console project named reactionstats. Create a new C source
file named project4.c within that project. At the top of the source file, #define
_CRT_SECURE_NO_WARNINGS, and then include stdio.h, math.h, stdlib.h, stdbool.h, and
float.h.
Inside your main function, define the following:
A one-dimensional array of 600 doubles. They do not need to be initialized to anything at this
stage.
An integer variable to hold the number of elements in the array, initialized using the approach
demonstrated in class, using sizeof.
A FILE pointer variable, which will refer to the input data text file..
Please explain in detaile the European debt crisisSolutionIn 2.pdf
Please explain in detaile the European debt crisis
Solution
In 2007, EU economies, on the surface, seemed to be doing relatively well – with positive
economic growth and low inflation. Public debt was often high, but (apart from Greece) it
appeared to be manageable assuming a positive trend in economic growth.
However, the global credit crunch changed many things.
EU Bond Yields
Uncompetitiveness
Eurozone countries with debt problems are also generally uncompetitive with a higher inflation
rate and higher labour costs. This means there is less demand for their exports, higher current
account deficit and lower economic growth. (The UK became uncompetitive, but being outside
the Euro, the Pound could depreciate 20% restoring competitiveness.
Poor Prospects for Growth
People have been selling Greek and Italian bonds for two reasons. Firstly because of high
structural debt, but also because of very poor prospects for growth. Countries facing debt crisis
have to cut spending and implement austerity budgets. This causes lower growth, higher
unemployment and lower tax revenues. However, they have nothing to stimulate economic
growth.
Individual Cases
Greece’s Case
In early 2010 these difficult developments reflected in rising spreads on sovereign bond yields
between the affected peripheral member states of Greece, Ireland, Portugal and Spain, and most
notably Germany. The Greek yield diverged in early 2010 with Greece needing eurozone
assistance by May 2010. Greece received two bailouts from the EU over the following five years
during which the country adopted EU-mandated austerity measures to cut costs while
experiencing a further economic recession as well as social unrest. In June 2015 Greece, with
divided political and fiscal leadership and a continued recession, was facing a sovereign default.
However, on July 5, 2015 the Greek people voted against further EU austerity measures, with a
possibility of Greece leaving the European Monetary Union entirely. The withdrawal of a nation
from the EMU is unprecedented, and the speculated effects on Greece\'s economy if the currency
is returned to the drachma range from total economic collapse to a surprise recovery.
Ireland Case
Ireland followed Greece in requiring a bailout in November 2010, with Portugal next in May
2011. Italy and Spain were also vulnerable, with Spain requiring official assistance in June 2012
along with Cyprus. By 2014, Ireland, Portugal and Spain, due to various fiscal reforms, domestic
austerity measures and other unique economic factors, all successfully exited their bailout
programs requiring no further assistance. The road to full economic recovery is still underway.
Cyprus, too, reported a slow but steady ongoing recovery, averting further financial crisis thus
far.
Summary of Main Causes of Debt Crisis.
Part 1 Many phone companies are replacing the wire in their phone s.pdf
Part 1: Many phone companies are replacing the wire in their phone systems with fiber optic
cable. Name at least two advantages they expect to gain from doing so. In one paragraph each,
describe why fiber optic cable gives each advantage.
Part 2: Explain the difference between an amplifier and a repeater for transmitting data over
distances. In your answer, tell why repeaters are preferred for digital data.
Part 3: Explain why a hardware timer that can generate interrupts is necessary to support
concurrent processing.
Part 4: Explain why a graphical or window-based operating system interface is more readily
amenable to running multiple tasks than is a command line interface.
Part 5: What is the spectrum of a signal? What is the relationship between the spectrum of a
signal and the bandwidth of a channel? (Use the textbook; you\'ll likely get a wrong answer from
a web search!)
Part 6: Name and briefly describe the three characteristics of a sine wave signal that can be
modulated to allow the signal to carry information.
Part 7: Explain how frequency division multiplexing can be used to carry two or more
independent information streams on one communication medium.
Part 8: A modern CPU has a bit that can place the CPU in the system state or the application
state. Briefly describe the difference between \"system state\" and \"application state.\"
Part 9: What does it mean to \"mount\" or \"unmount\" a storage device? Explain why
unmounting a device is necessary in the Windows operating system.
Part 10: Explain what it means to bootstrap a computer. In your answer, describe the steps
executed by the hardware and software in bootstrapping a computer that is initially turned off.
Solution
Part 1:
Due to much lower attenuation and interference, provides long distance, Fiber optic signals are
stronger.These are much thinner and lighter than metal wires.Data can be transmitted digitally.It
has less susceptible to interference.
Part 2:
An amplifier can not discriminate between the intended signal and noise,it amplifies equally
everything fed into it.A repeater does not amplify the signal.It regenerates the signal.When it
receives a weakened or corrupted signal,it creates a copy,bit for bit at the original strength. A
repeater is a regenerator.
Using the large number of amplifiers over a long, lossy link inevitablyincreases the noise and
decreases the signal to noise levels.A repeater is usually a receiver followed by a regenerating
logic and transmitter.In this case regeneration receives the digital signals and retimes it to
remove jitter and then retransmits it with minimal baseband noise.
Part 4:
Graphical User Interface uses graphics along with a keyboard and mouse,to provide an easy to
use interface to a program.It provides windows,pulldown menus,buttons,scrollbars,iconic
images,wizards and other icons and the mouse to enable the users to interact with the operating
system. users easy to control,manipulate and toggle through multiple programs and fo.
List three characteristics that influence the rate of simple diffusi.pdf
List three characteristics that influence the rate of simple diffusion of small molecules.
Solution
Answer= Three characteristics that influence the rate of simple diffusion of small molecules
1] Particle size = Rate of diffusion is inversaly proportional to particle size
Since the heat of environment is the energy source for diffusion the smaller particles moves at a
faster rate than larger paricles at a given temperature
2] temperature = Rate of diffusion is directly proportional to temperature
As temperature increses rate of diffusion also increases
At high temp. particles move faster because more energy is available to diffuse them
3] Concentration difference = rate of increses as conc. difference increases
The substance diffusing between 2 areas exibits a conc. diffference as the particle diffuse from
one side of the wall to other side
4] particle distance = rate of diffusion is directly proportional to particle distance
it takes longer for a particle to diffuse when it is further away than it does for a particle that is
closer to the point of diffusion.
Its all worked out, but Im still very confused by the steps .pdf
It\'s all worked out, but I\'m still very confused by the steps they took to get each part. Like why
multiply everything by (x^2 + 9) and then in the next step, how did they end up with those
answers? I\'m just very confused.
Solution
they just multiplide (x^2 + 9) for simpification
LIKE EXAMPLE
eq 2+3=5
if we multify both sides with 2
(2+3)2=5*2
10=10
equality not changed ,,,like we use this in mathematics
after solving eq they got X parameters and they cheked in original eq.
Is the world overpopulated What are the arguments for the notion th.pdf
Is the world overpopulated? What are the arguments for the notion that the world is
overpopulated? What are some alternative approaches to this topic?
Solution
The human popualtion has been growing ever since the evolution of mankind. Overpopulation is
a condition when the population exceeds the carrying capacity of the environment. There is
continuous increase in the birth rate and a significant decrease in the mortality rate. This results
in increase in population at an alarming rate. The population of the world is predicted to keep on
rising 2050. The sources and resources are being exhausted. This would lead to environment\'s
inability to support life, reduced quality of life..
In the ellipse shown below, each point marked with a dot is called a(.pdf
In the ellipse shown below, each point marked with a dot is called a(n) _____ A. vertex B.
focus C. axis D. center
Solution
The 2 points shown in the figure are the
B. focus of the ellipse
Vertex are points that lie on the ellipse
Axis are lines which lie in the ellipse
Center is at the \"center\" of ellipse..
Identify the following Level of caudal end of subarachnoid space E.pdf
Identify the following: Level of caudal end of subarachnoid space Epidural, subarachnoid
spaces Level of caudal end of spinal cord
Solution
Answer:-
Level of caudal end of Subarachnoid space is lower border S-2 Vertebra.
Epidural- Basically epidural space is define as the outermost part of the spinal canal.it is also
called as the epidural cavity. this space lying outside th edura meter. Dura meter enclsoed by the
subarachnoid space. it contains a lumphatics spinal nerve roots and network of internal vertebral
venous plexuses.level is L1 & L2.
Level of caudal end of spinal cord. - The Spinal cord can be defined as the long , thin tubular
bundles of nervous tissue and it supports cells and it run in vertebral column. the caudal end of
spianl cord is generaly cone shaped it is also called as the conus medullaris. and its ends at S2
level..
If the set of integers were given the indiscrete topology, would it .pdf
If the set of integers were given the indiscrete topology, would it be connected? Compact?
Hausdorff?
The answer is It is connected, compact but not Hausdorff. But can you explain why?
Solution
in indiscrete topology the only open sets are S, phi.
and also these are the only closed sets.
so by theorem we know that X is connected if The only subsets of X which are both open and
closed (clopen sets) are X and the empty set.
hence it is connected.
X is a hausdroff if any two distinct points of X can be separated by neighborhoods.
since there are only two set one is X and another is empty set,
so we can not seperate two distinct points of X by their neighbourhood..
2. When did we establish four time zones in the US And whySolu.pdf
2. When did we establish four time zones in the US? And why?
Solution
Four standard time zones for the continental United States were introduced on November 18,
1883.
American railroads maintained many different time zones during the late 1800s. It is so difficulty
to find the time schedules of the trains. Because, every city in the United States used a different
time standard so there were more than 300 local sun times to choose from. Operators of the new
railroad lines needed a new time plan that would offer a uniform train schedule for departures
and arrivals. Four standard time zones for the continental United States were introduced on
November 18, 1883..
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimil.pdf
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimilar to the natural
immune response to a VIRAL INFECTION?:
How is a vaccination to a KILLED VIRAL VACCINE similar or dissimilar to the natural
immune response to a VIRAL INFECTION?:
Solution
vaccination to a KILLED VIRAL VACCINE is dissimilar to the natural immune response to a
VIRAL INFECTION
natural immune response to a VIRAL INFECTION:
The natural immune system is the ability to recognize viruses as ‘foreign’. Viral proteins and
nucleic acids are distinguished from cellular counterparts by cellular proteins called pattern
recognition receptors (illustrated). These are proteins present either in the cell cytoplasm or on
cellular membranes, where they detect viral components.
The presence of cytokines in the blood is typically one of the earliest indications that the host has
been infected with a virus.
In many viral infections, the early action of cytokines produced by infected cells and dendritic
cells is sufficient to eliminate the pathogen. If innate defenses are overwhelmed and virus
replication continues unabated, then the second-line defenses are mobilized to ensure host
survival. These comprise the adaptive immune response – antibodies and immune cells. Days to
weeks are required to mount an adaptive immune response that is specifically tailored to the
infecting virus.
Whereas in a KILLED VIRAL VACCINE:
Inactivated vaccines are further classified depending on the method used to inactivate the
virus.Whole virus vaccines use the entire virus particle, fully destroyed using heat, chemicals,or
radiation.Split virus vaccines are produced by using a detergent to disrupt the virus. Subunit
vaccines are produced by purifying out the antigens that best stimulate the immune system to
mount a response to the virus, while removing other components necessary for the virus to
replicate or survive or that can cause adverse reactions..
How do you explain Kennys acceptance by so many other people and t.pdf
How do you explain Kenny\'s acceptance by so many other people and the respect they have for
him?
Can all supervisors operate the way Kenny does and be effective? Explain your answer.
Given Kenny\'s effectiveness in his present job, would you recommend promoting him into high
levels of management? Explain.
Review the characteristics of transformational leadership, adaptive leadership, and servant
leadership. Which characteristics apply to Kenny?
Solution
1.
Kenny\'s acceptance by people is based on the leadership approach taken by him. He listens to
the problems of the crews, had a wide knowledge about the work and in actuality he praticed
what he preached. He never treated the people infairly and was just with them This helped
Kenny in winning the confidence of the people. He was not autocratic and allowed people to
work on their own pace. He got result by givin each employee his own space.
2.
It is defficult for all the people to operate in the same way as Keeny behaved, as different people
have different personality traits, but people can still learn to behave as Kenny behaved and be
affective at the work place.
3.
Kenny was highly effective in his present role as he completely transformed an underperforming
team into a high performing team. The team which he was currently supervising were lowest in
terms of production a year ago and after one year, they were the most productive team.
Yes, Kenny should be recommended for promotion as in that case Kenny would not be limited in
terms of providing leadership skills. Kenny has a proven track record in terms of providing
effective leadership and would be an asset at higher levels as it would ive him more
responsibilities, wherein he would be able to exercise his leadership skills at broader level.
At the same time good leadership skills at the higher level would eventually result in higher
production at the lower level as the morale of the people wuld be higher..
Find the maximum number of zeros that the following polynomial functi.pdf
Find the maximum number of zeros that the following polynomial function may have. Do not
attempt to find the zeros. f(x) - -4xf^7 + x^4 - x^2 + 8 What is the maximum number of zeros
that this polynomial function can have?
Solution
SInce the degree of the polynomial function is 7 so maximum number of zeros can be 7.
find all homomorphic images of the octic group D4SolutionSuppo.pdf
find all homomorphic images of the octic group D4
Solution
Suppose f:D4 -> G is a homomorphism. ker(f) is a normal subgroup of D4, and from the first
isomorphism theorem, D4/ker(f) = f(D4). That is, the homomorphic images are just the quotient
groups (in general).
We use the presentation D4 = (\' denoting the inverse). Through a tedious but standard
calculation, the normal subgroups of D4 are {1}, , , , , and D4 itself.
D4/{1} is of course just D4.
here has order 2, so D4/ has order 4, and is thus either the Klein 4-group (Viergruppe) or the
cyclic group of order 4. Taking a quotient cannot increase the order of an element, and only r and
r\' have order 4 in D4, yet their homomorphic images have order 2 since r2 and (r\')2 are both in .
D4/ must then be the Viergruppe.
The remaining proper normal subgroups all have order 4, so the quotient has order 8/4 = 2, and
hence must be the cyclic group of order 2.
D4/D4 = 1 obviously.
An explicit homomorphism giving each of these images is the natural projection map induced
by a given normal subgroup..
Facilitated diffusion is a type of passive transport that allows solu.pdf
Facilitated diffusion is a type of passive transport that allows solutes to move across the plasma
membrane of a cell. Which statements describe facilitated diffusion? Solutes move down their
concentration gradient directly through the plasma membrane without the use of energy. Solutes
move across the membrane down their concentration gradient through specialized membrane
proteins. Small, charged molecules and ions move down their concentration gradient into a cell
through proteins in the plasma membrane. Membrane proteins use energy to move solutes
across the membrane against their concentration gradient. Small, unchanged molecules move
down their concentrating gradient out of a cell directly through the plasma membrane.
Solution
FACILIATED DIFFUSION:SMALL,CHARGED MOLECULES AND IONS MOVE DOWN
THEIR CONCENTRATION GRADIENT IN A CELL THROUGH PROTEINS IN THE
PLASMA MEMBRANE....
During WWII, starting in 1944, american bombers flew over Germany an.pdf
During WWII, starting in 1944, american bombers flew over Germany and bombed the industrial
sites. Planes would come back, and some of them had been shot at. Some had holes in the wings
but most had holes in the fuselage. The head of the Air Force ordered that the armor of the planes
be reinforced. What part of the planes should be reinforced?
Solution
The fuselage armor should be reinforced because most planes had holes in the fuselage..
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