Which of the following is not a premise of the Koch’s postulatesA.pdf
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Which of the following is not a premise of the Koch’s postulates? A. The same microbe must be present in all cases of the disease in question. B. The microbe must be isolated from the infected organisms and grown in a pure culture. C. A test animal inoculated with the microbe from a pure culture should develop the disease. D. Several microbe species must be isolated in a pure culture from the samples of the test animal. Solution D. Several microbe species must be isolated in a pure culture from the samples of the test animal. Explanation: According to Koch the microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the original specific causative agent..
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Describe two benefits of the industrial revolution and two proble.pdf
Describe two benefits of the industrial revolution and two problems it caused. Make sure that
your answer is not focused only on the early years of the industrial
revolution. Why do you think industrial reform came so slowly between 1815 and 1914?
Solution
Benefits:
1)As the scale of production of goods increased under the capitalist model, people from all
sections of society were able to enjoy consumption of products that were previously considered
an luxury for the few.
the city of Manchester, the numerous cotton mills set up there produced sufficient goods to
supply to the local markets and also export the surplus to other countries.Along with this, the
industrial revolution brought the concept of the overall efficiency of the production process.
Terms such as efficiency and quality were given emphasis, the benefits of which are transferred
to the end consumer.
2)Transportation and technology - the expansion of business and factories expanded our
transportation network out of necessity and brought us canals, highways and turnpikes. It better
connected us together as a society. We also saw technological innovation like interchangeable
parts (Eli Whitney) and the textile mill (Samuel Slater) which revolutionized how we lived.
Problems:
1) Factories that produce goods on a massive scale are the most prominent symbols of the
industrial revolution. Such a radical transformation was allowed to happen because it suited the
interests of the aristocracy and nobility of the time. The ruling elite of England were also the
owners of most the country’s wealth and it suited their interest to perpetuate a method that
maintained status quo. This meant that the prevailing inequities in distribution of wealth
accentuated further as the industrial revolution marched on. Some intellectuals have cited this as
the major problem with the capitalist model and have hence condemned the revolution as
socially unjust.
2)The other criticism that is leveled against large-scale industries is their tendency to accelerate
the process of urbanization and ultimately contribute to pollution and squalor. For example, the
issues of overpopulation, petty crime, prostitution and pollution in the industrial city of
Manchester are well documented by Kishlansky and other scholars.
Why do you think industrial reform came so slowly between 1815 and 1914?
there is an interesting reason why the industrial reforms process was sluggish during the
nineteenth century. One of the main reasons for this slowing down is the sprouting up of a new
class of people called the bourgeoisie. In the feudal system that preceded the capitalist system,
there were only two classes – the landowning class and the peasantry. But with the onset of the
industrial revolution, a whole new social class was created, which made the capitalists feel
insecure and vulnerable. Hence one could see during the period of the nineteenth century, an
attempt by the capitalists to retain their power and influence over the rest.
Dee Dees parents place a high value on academic achievement, but h.pdf
Dee Dee\'s parents place a high value on academic achievement, but her peers do not. In this
situation, Dee Dee is most likely to: split the difference and become an average student. suffer
psychological damage. be more strongly influenced by the values of her parents. be more
strongly influenced by her peers.
Solution
Answer:
be more strongly influenced by her peers.
Explanation:
By seeing the achievements of peers (low value on academics), the Dee might have realized and
tried to have high values on acedmica. So it can be said as the Dee is influenced by her peers..
An inter satellite link is established between two satellites. One sa.pdf
An inter satellite link is established between two satellites. One satellite located at 325.5degreeE
is transmitting with an EIRP of 20 dBW. The receiving satellite is at 359 degree E. Find the
distance S between them, in km, and the illumination W in dBW/m^2.
Solution
for geostationary satellites illumination is given by,
W = EIRP - 162 dBW/m^2
W = 20 -162 = -142 dBW/m^2
locations of the satellites are 325.5E and 359E
distance = S = R(2 - 2cos(359-325.5))^0.5 = 0.42R
R is the distance of satellite from earth centre..
Circle the correct words At fertilization, eggs and sperm carrying s.pdf
Circle the correct words At fertilization, eggs and sperm carrying signal ___ (alleles/genotypes)
for each character combine to produce new ___ (alleles/genotypes) in the offspring.
Solution
Answer:
At fertilization, eggs and sperm carrying single allele for each character combine to produce new
genotype in the offspring.
Explanation:
During fertilization, gametes from the sperm (haploid, single allele for each character) combine
with gametes from the egg (haploid, single allele for each character) to form a zygote (diplod,
having two alleles, a new genotype formed for each character), the first cell of the offspring..
A small object is 25.0 cm from a diverging lens as shown in the figu.pdf
A small object is 25.0 cm from a diverging lens as shown in the figure(Figure 1) . A converging
lens with a focal length of 12.2 cm is 30.0 cm to the right of the diverging lens. The two-lens
system forms a real inverted image 17.0 cm to the right of the converging lens.What is the focal
length of the diverging lens?
Solution
1 / do2 + 1 / di2 = 1 / f2
1 / do2 = 1 / 12.2 - 1 / 17
do2 = 43.21 cm
di1 = 30 - 43.21 = -13.21 cm
For diverging lens
1 / do1 + 1 / di1 = 1 / f1
1 / f = 1 / 25 - 1 / 13.21
f1 = -28 cm.
Cautions about experimentation and samplingSolutionWhen exper.pdf
Cautions about experimentation and sampling?
Solution
When experimentation is done then following must be controlled.
1) Randomisation
2) Local Control
3) Replication (Repeteation)
the sample must be collected in such a way that all the units in population are given equal chance
to be included in the sample. The sample must represent all parts of the population when the
population is not homogeneous..
CH30uz Lecture Which of the f.pdf
CH30uz Lecture Which of the following is not true concerning the cell theory? Multiple Choice
References vrchow asserted that all cels come from preexisting cels Schleiden determined that
all plants are made of cells Schwann researched animal tissues and discovered that they were
allmade of cels Hmienhiived the cels of cork
Solution
1.Leeuwenhoek first used the term \"cells\" because Robert Hooke did that.
2.A multicellular organism is composed of many cells as all organisms have atleast one cell.
3.the general concept of life-is-cellular still holds since sometime in their life these organisms
still utilize cells, but this shows cell membranes can be abandoned
4.all cells come only from other cells.
5.as cells get larger,their surface area decreases..
Below is a code segment for the Deleteltem function in an unsorted li.pdf
Below is a code segment for the Deleteltem function in an unsorted list implemented using a
static array Fill in the blank sections of code to successfully implement a deleted item void
UnsortedType::DeleteItem(ListItemType& item) There is at most one list item with the same
key as item; there may be none. Post: No list element has the same key as item. int location =
0; int index; bool moreToSearch; more search = bool found = false; while switch
(item.CompardTo(info[location])) case LESS: location^++ moretosearch = break; case
EQUAL:....= true break; if (found) {info [location] = leanth^-- What is the running time of the
Deleteltem operation?
Solution
A) 1.) false
2.) moreToSearch
3) True
4) True
5) found
6) item
B) Time Complexity T(N) = O(N)
C)
template
void UnsortedType::InsertItem(ItemType item)
// item is in the list; length has been incremented.
{
NodeType* location;
location = new NodeType;
location->info = item;
location->next = listData;
listData = location;
length++;
}.
Recommended
Describe two benefits of the industrial revolution and two proble.pdf
Describe two benefits of the industrial revolution and two problems it caused. Make sure that
your answer is not focused only on the early years of the industrial
revolution. Why do you think industrial reform came so slowly between 1815 and 1914?
Solution
Benefits:
1)As the scale of production of goods increased under the capitalist model, people from all
sections of society were able to enjoy consumption of products that were previously considered
an luxury for the few.
the city of Manchester, the numerous cotton mills set up there produced sufficient goods to
supply to the local markets and also export the surplus to other countries.Along with this, the
industrial revolution brought the concept of the overall efficiency of the production process.
Terms such as efficiency and quality were given emphasis, the benefits of which are transferred
to the end consumer.
2)Transportation and technology - the expansion of business and factories expanded our
transportation network out of necessity and brought us canals, highways and turnpikes. It better
connected us together as a society. We also saw technological innovation like interchangeable
parts (Eli Whitney) and the textile mill (Samuel Slater) which revolutionized how we lived.
Problems:
1) Factories that produce goods on a massive scale are the most prominent symbols of the
industrial revolution. Such a radical transformation was allowed to happen because it suited the
interests of the aristocracy and nobility of the time. The ruling elite of England were also the
owners of most the country’s wealth and it suited their interest to perpetuate a method that
maintained status quo. This meant that the prevailing inequities in distribution of wealth
accentuated further as the industrial revolution marched on. Some intellectuals have cited this as
the major problem with the capitalist model and have hence condemned the revolution as
socially unjust.
2)The other criticism that is leveled against large-scale industries is their tendency to accelerate
the process of urbanization and ultimately contribute to pollution and squalor. For example, the
issues of overpopulation, petty crime, prostitution and pollution in the industrial city of
Manchester are well documented by Kishlansky and other scholars.
Why do you think industrial reform came so slowly between 1815 and 1914?
there is an interesting reason why the industrial reforms process was sluggish during the
nineteenth century. One of the main reasons for this slowing down is the sprouting up of a new
class of people called the bourgeoisie. In the feudal system that preceded the capitalist system,
there were only two classes – the landowning class and the peasantry. But with the onset of the
industrial revolution, a whole new social class was created, which made the capitalists feel
insecure and vulnerable. Hence one could see during the period of the nineteenth century, an
attempt by the capitalists to retain their power and influence over the rest.
Dee Dees parents place a high value on academic achievement, but h.pdf
Dee Dee\'s parents place a high value on academic achievement, but her peers do not. In this
situation, Dee Dee is most likely to: split the difference and become an average student. suffer
psychological damage. be more strongly influenced by the values of her parents. be more
strongly influenced by her peers.
Solution
Answer:
be more strongly influenced by her peers.
Explanation:
By seeing the achievements of peers (low value on academics), the Dee might have realized and
tried to have high values on acedmica. So it can be said as the Dee is influenced by her peers..
An inter satellite link is established between two satellites. One sa.pdf
An inter satellite link is established between two satellites. One satellite located at 325.5degreeE
is transmitting with an EIRP of 20 dBW. The receiving satellite is at 359 degree E. Find the
distance S between them, in km, and the illumination W in dBW/m^2.
Solution
for geostationary satellites illumination is given by,
W = EIRP - 162 dBW/m^2
W = 20 -162 = -142 dBW/m^2
locations of the satellites are 325.5E and 359E
distance = S = R(2 - 2cos(359-325.5))^0.5 = 0.42R
R is the distance of satellite from earth centre..
Circle the correct words At fertilization, eggs and sperm carrying s.pdf
Circle the correct words At fertilization, eggs and sperm carrying signal ___ (alleles/genotypes)
for each character combine to produce new ___ (alleles/genotypes) in the offspring.
Solution
Answer:
At fertilization, eggs and sperm carrying single allele for each character combine to produce new
genotype in the offspring.
Explanation:
During fertilization, gametes from the sperm (haploid, single allele for each character) combine
with gametes from the egg (haploid, single allele for each character) to form a zygote (diplod,
having two alleles, a new genotype formed for each character), the first cell of the offspring..
A small object is 25.0 cm from a diverging lens as shown in the figu.pdf
A small object is 25.0 cm from a diverging lens as shown in the figure(Figure 1) . A converging
lens with a focal length of 12.2 cm is 30.0 cm to the right of the diverging lens. The two-lens
system forms a real inverted image 17.0 cm to the right of the converging lens.What is the focal
length of the diverging lens?
Solution
1 / do2 + 1 / di2 = 1 / f2
1 / do2 = 1 / 12.2 - 1 / 17
do2 = 43.21 cm
di1 = 30 - 43.21 = -13.21 cm
For diverging lens
1 / do1 + 1 / di1 = 1 / f1
1 / f = 1 / 25 - 1 / 13.21
f1 = -28 cm.
Cautions about experimentation and samplingSolutionWhen exper.pdf
Cautions about experimentation and sampling?
Solution
When experimentation is done then following must be controlled.
1) Randomisation
2) Local Control
3) Replication (Repeteation)
the sample must be collected in such a way that all the units in population are given equal chance
to be included in the sample. The sample must represent all parts of the population when the
population is not homogeneous..
CH30uz Lecture Which of the f.pdf
CH30uz Lecture Which of the following is not true concerning the cell theory? Multiple Choice
References vrchow asserted that all cels come from preexisting cels Schleiden determined that
all plants are made of cells Schwann researched animal tissues and discovered that they were
allmade of cels Hmienhiived the cels of cork
Solution
1.Leeuwenhoek first used the term \"cells\" because Robert Hooke did that.
2.A multicellular organism is composed of many cells as all organisms have atleast one cell.
3.the general concept of life-is-cellular still holds since sometime in their life these organisms
still utilize cells, but this shows cell membranes can be abandoned
4.all cells come only from other cells.
5.as cells get larger,their surface area decreases..
Below is a code segment for the Deleteltem function in an unsorted li.pdf
Below is a code segment for the Deleteltem function in an unsorted list implemented using a
static array Fill in the blank sections of code to successfully implement a deleted item void
UnsortedType::DeleteItem(ListItemType& item) There is at most one list item with the same
key as item; there may be none. Post: No list element has the same key as item. int location =
0; int index; bool moreToSearch; more search = bool found = false; while switch
(item.CompardTo(info[location])) case LESS: location^++ moretosearch = break; case
EQUAL:....= true break; if (found) {info [location] = leanth^-- What is the running time of the
Deleteltem operation?
Solution
A) 1.) false
2.) moreToSearch
3) True
4) True
5) found
6) item
B) Time Complexity T(N) = O(N)
C)
template
void UnsortedType::InsertItem(ItemType item)
// item is in the list; length has been incremented.
{
NodeType* location;
location = new NodeType;
location->info = item;
location->next = listData;
listData = location;
length++;
}.
A parts assembly station on a production line exhibits a severe vibra.pdf
A parts assembly station on a production line exhibits a severe vibration problem. A simplified
schematic representation is shown in Fig. 4.26. Two large tables of mass m_1 and m_2 are each
mounted to a sliding metal plate on resilient rubber mounts with shear stiffness K_1 and K_2, as
shown. The tables are each subjected to a vibrational excitation force, F_1(t) and F_2(t). The
plates are able to slide viscously on a second pair of deformable rubber mounts, with shear
stiffnesses K_3 and K_4. The viscous sliding coefficients are B_1 and B_2. The two plates are
coupled by a shaft with longitudinal stiffness K_5. Draw a linear graph for the system using the
two forces F_1 and F_2 as inputs.
Solution
An assembly line is a manufacturing process in which interchangeable parts are added to a
product in a sequential manner to create an end product. In most cases, a manufacturing
assembly line is a semi-automated system through which a product moves. At each station along
the line some part of the production process takes place. The workers and machinery used to
produce the item are stationary along the line and the product moves through the cycle, from
start to finish.
Assembly line methods were originally introduced to increase factory productivity and
efficiency. Advances in assembly line methods are made regularly as new and more efficient
ways of achieving the goal of increased throughput (the number of products produced in a given
period of time) are found. While assembly line methods apply primarily to manufacturing
processes, business experts have also been known to apply these principles to other areas of
business, from product development to management.
The introduction of the assembly line to American manufacturing floors in the early part of the
twentieth century fundamentally transformed the character of production facilities and businesses
throughout the nation. Thanks to the assembly line, production periods shortened, equipment
costs accelerated, and labor and management alike endeavored to keep up with the changes.
Today, using modern assembly line methods, manufacturing has become a highly refined process
in which value is added to parts along the line. Increasingly, assembly line manufacturing is
characterized by \"concurrent processes\"—multiple parallel activities that feed into a final
assembly stage. These processes require sophisticated communications systems, material flow
plans, and production schedules. The fact that the assembly line system is a single, large system
means that failures at one point in the \"line\" cause slowdowns and repercussions from that
point forward. Keeping the entire system running smoothly requires a great deal of coordination
between the parts of the system.
Computer power has enabled tracking systems to become more sophisticated and this, in turn,
has made it possible to reduce the costs associated with holding inventories. Just-in-time (JIT)
manufacturing methods have been developed to reduce t.
You are conducting a study investigating the effects of a high-fat d.pdf
You are conducting a study investigating the effects of a high-fat diet on general health. Study
participants self-report fat content in their diets. Given that people generally under-report fat
content in their food, what type of bias might be occurring?
a.Interviewer bias
b.Misclassification
c.Self-selection bias
Solution
a.Interviewer bias.
What is inclusionSolutioninclusions in biology means the foll.pdf
What is inclusion?
Solution
inclusions in biology means the following :
In a cell the substances present in the cytoplasm. They can be fats or lipids like fat globules,
carbohydrates like glycogen or crystals from the salts, pigments or coloring substances, water
containing vacoules present inside the cell and they are the byproducts of the metabolism of the
cells. sometimes they serve as nutrients for the cells. Some times in bacterial cells they
constitively express the proteins or synthesise proteins and they will all form a aggregates and
they are called inclusion bodies. The inclusion bodies or proteins are generally present inside the
cytoplasm and very difficult to remove or break the aggregates and a very tedious procedures are
required to disintegrate the proteins and fold them in proper conformations..
What organ systems that work with the digestive system to deliver nu.pdf
What organ systems that work with the digestive system to deliver nutrients and eliminate
wastes?
Solution
The digestive system helps in turning the food you eat into something useful for the body. The
Organ system associated with digestive system to deliver nutrients and eliminate wastes are
endocrine system, nervous system, Cardiovascular system, Urinary system, respiratory system
and integumentary system..
What are the major design considerations for secondary clarifers fol.pdf
What are the major design considerations for secondary clarifers following activated sludge
processes?
Solution
Major design considerations for sctivsted sludge process:
1) Hydraulic retention time
2) Organic loading rate
3) specific food/ substrate utilization rate
4)sludge age
5) F/M Ratio
6) Recirculation ratio
7) Sludge volume index
These seven are the major desing consideration.
What is meant by composite pavement What is meant by composit.pdf
What is meant by composite pavement ?
What is meant by composite pavement ?
Solution
COMPOSITE PAVEMENT STRUCTURE IS DEFINED AS A STRUCTURE COMPRISING
MULTIPLE, STRUCTURALLY SIGNIFICANT, LAYERS OF DIFFERENT, SOMETIMES
HETEROGENEOUS COMPOSITION.
It is a pavement which is constructed with a rigid pavement as the lower layer and a flexible
pavement surfacing or wearing course on the top or vice versa. The flexible (asphalt concrete)
surface is designed to provide special functions such as frictional resistance, wear resistance,
better traffic delineation, thermal insulation, and protection against adverse environmental effects.
Use C++ Write a function to merge two doubly linked lists. The input.pdf
Use C++ Write a function to merge two doubly linked lists. The input lists have their elements in
sorted order, from lowest to highest. The output list should also be sorted from lowest to highest.
Your algorithm should run in linear time on the length of the output list. Provide an algorithm for
your function Implement and show some samples of your running function
Solution
/* This is a C++ program to merge two sorted linked lists and produce a list in a
Sorted order */
#include
#include
#include
/* Link list node */
struct node
{
int data;
struct node* next;
};
/* This function is used to pull off the front node of the source and put it in destnation */
void letusMoveNode(struct node** destRef, struct node** sourceRef);
/* This is a function used for performing merging of two linked lists.It takes two lists sorted in
increasing order, and splices
their nodes together to make one big sorted list which
is returned. */
struct node* letssortlists(struct node* a, struct node* b)
{
/* Let us first have dummyone first node to hang the result on */
struct node dummyone;
/*next the tail points to the last result node */
struct node* tail = &dummyone;
/* As a result, tail->next is the place to add new nodes
to the result. */
dummyone.next = NULL;
while (1)
{
if (a == NULL)
{
/*we will check that if either list runs out, use the
other list */
tail->next = b;
break;
}
else if (b == NULL)
{
tail->next = a;
break;
}
if (a->data <= b->data)
letusMoveNode(&(tail->next), &a);
else
letusMoveNode(&(tail->next), &b);
tail = tail->next;
}
return(dummyone.next);
}
/* letusMoveNode() function is a function which takes the node from the front of the
source, and move it to the front of the dest.
Before calling letusMoveNode():
source == {1, 2, 3}
dest == {1, 2, 3}
Affter calling letusMoveNode():
source == {3, 4}
dest == {1, 2, 3, 4} */
void letusMoveNode(struct node** destReference, struct node** sourceReference)
{
/*This is the front source node */
struct node* newNode = *sourceReference;
assert(newNode != NULL);
/* now we will advance the source pointer */
*sourceReference = newNode->next;
/*next we will link the old dest off the new node */
newNode->next = *destReference;
/* Fineally we will move dest to point to the new node */
*destReference = newNode;
}
/* This IS A function which is used to insert a node at the beginning of the linked list */
void insertpush(struct node** head_reference, int new_data)
{
/* This is used to allocate node */
struct node* new_node =
(struct node*) malloc(sizeof(struct node));
/* now we will put in the data */
new_node->data = new_data;
/* The next step is to link the old list off the new node */
new_node->next = (*head_reference);
/*Finally we will move the head to point to the new node */
(*head_reference) = new_node;
}
/* This is a function to print nodes in a given linked list */
void printList(struct node *node)
{
while (node!=NULL)
{
printf(\"%d \", node->data);
node = node->next;
}
}
/*This is the driver program to test ab.
Using an intensity of 1 × 10-12 Wm2 as a reference, the threshold o.pdf
Using an intensity of 1 × 10-12 W/m2 as a reference, the threshold of hearing for an average
young person is 0 dB. Person 1 and person 2, who are not average, have thresholds of hearing
that are 1 = -14.0 dB and 2 = +23.0 dB. What is the ratio I1/I2 of the sound intensity I1 when
person 1 hears the sound at his own threshold of hearing compared to the sound intensity I2
when person 2 hears the sound at his own threshold of hearing?
Solution
I = 1 * 10-12 * 10[dB/10]
I1 = 1 * 10-12 * 10[-14 / 10 ]
= 3.98 * 10-14 w/m2
I2 = 1 * 10-12 * 10[23 / 10 ]
= 1.99 * 10-10 w/m2
ratio = (3.98 * 10-14) / (1.99 * 10-10)
= 2.00 * 10-4.
Tissue regeneration is an emerging and exciting biomedical field. As.pdf
Tissue regeneration is an emerging and exciting biomedical field. As a scientist, choose either an
adult stem cell population or embryonic stem cells as a model system to develop a technique for
growing artificial limbs in culture. Be sure to explain why you chose your particular stem cell
and the drawbacks associated with the one that you did not choose for your experiments.
Solution
In tissue regeneration scientists choose only embryonic stem cells as a models system to develop
a technique for growing artificial limbs in culture. In case of salamanders have unusual and very
desirable characteristics of being able replicate limb. When salamanders loses a limb does not
form scab. Instead a wound epidermis forms it known as apical epithelial cells they form
blastema. This knob of stem cells is then able completely regenerate the limb, these blastemata
like MRL mice act as embryonic stem cells.
Embryonic stem cells:
1. It is pluripotent i.e., differentiate into 3 of the primary germ layers (ectoderm, endoderm,
mesoderm) this indicates that embryonic stem cells can potentially differentiate into adult human
cell if stimulated right way
Drawbacks of adult stem cells:
1.It is multipotent meaning that each can only produced limited cell type.
2. Unlike embryonic stem cells, they are much scarcer and harder to culture
so its not choosen by scientist to develop for growing artificial limbs in culture..
The preeminent American naturalist of the late 1800s was Charles Dar.pdf
The preeminent American naturalist of the late 1800s was Charles Darwin. Charles Wyville
Thomson. Victor Hensen. Alexander Agassiz. Edward Forbes. The first marine biology
laboratory was: the Scripps Institute of Oceanography. the Marine Biological Laboratory at
Woods Hole. the Rosenstiel School of Marine and Atmospheric Research. the Friday Harbor
Laboratories. the Duke University Marine Laboratory. An early marine biology expedition to
the North Pole was led by: Sir Alistair Hardy. Alexander Agassiz. Fridtjof Nanson. Charles
Wyville Thomson. Robert Peary. An early marine biology expedition to study Antarctic whales
was led by: Sir Alistair Hardy. Alexander Agassiz. Fridtjof Nanson. Charles Wyville
Thomson. Louis Agassiz. The scientific method can be best described as: implementing an
experiment. inductive and deductive reasoning. collecting data from the laboratory. an orderly
set of procedures for learning about and interpreting the world. a rig
Solution
7. The preeminent American naturalist of late 1800s late was Alexander Agassiz.
8. The first marine biology laboratory was the Marine Biological Laboratory at woods Hole.
9. An early marine biology expedition to the North Pole was led by Fridtjof Nanson.
10. An early marine biology expedition to study Antarctic whales was led by Sir Alistair Hardy.
11. The scientific method can be best described as an orderly set of procedures for learning about
and interpreting the world.
.12. The first step in the scientific process is making observations.
13. For a scientific theory to enjoy broad acceptance by the scientific community it must be
based on numerous observations and have one or more hypothesis that have been tested and
accepted..
The LS and LF are calculated using thebackward pass through the ne.pdf
The LS and LF are calculated using the
backward pass through the network.
forward pass through the network.
values for ES and EF.
backward and forward pass through the network
backward pass through the network.
forward pass through the network.
values for ES and EF.
backward and forward pass through the network
Solution
The late start time LS and the Late finish time LF are calculated using the Early start time ES
and the early finish time EF.
So third option is correct.
the politics of the gilded age failed to deal with the critical soci.pdf
the politics of the gilded age failed to deal with the critical social and economic issues assess the
validity of this statement. Use both the documents and your knowledge of the us from 1865 to
1900
Solution
The Government’s policy of laissez faire let wealthy people to do whatever they want and did
not want to get involved. With the advent of industrialism, working class had few rights and
terrible working conditions. Without laws in place to limit the power of monopolies, the majority
of American wealth and power were in the hands of few people. Government jobs were
distributed through corrupt patronage system. The political history of the Gilded Age is usually
reduced to a tale of corruption.
Contracts were awarded on the basis of favouritism rather than competitive bidding. At
municipal level, the corruption was just as great. Political insiders grew rich meeting the needs of
the ever expanding cities. The most sensational shortcoming of American political system was
corruption, more subtle was the general lethargy that crippled national government and failure of
either of the major parties to advance an adequate agenda to meet the needs of America’s rapidly
changing society. Neither Democrats nor Republicans pursued ambitious agenda. In the absence
of more expansive vision, the two parties waged battle largely for the spoils of patronage that
victory could bring.
New technologies improved agricultural production but prices were dropping too low to support
farmers. Farmers were frustrated with both Democrats and Republicans and they formed their
own organizations. America’s farmers experienced a dramatic shift in their fortunes over the
course of the Gilded Age.
*****.
the following is my sql TRAFFIC chart. The columns are id, tdate, tt.pdf
the following is my sql TRAFFIC chart. The columns are id, tdate, ttime, SourceIP, Protocol,
WEBSERVER_IP, packetsize
There\'s two queries to write number one is...Find the frequency of the connections to each
protocol type. (ratio=(number of connections to a protocol)/(the total number of connections)-
HINT: You need to use a subquery for this question. (the output it is supposed to have is all the
way at the bottom of the page)
\'1\', \'2015-03-25\', \'01:00:15\', \'176.49.66.6\', \'POP3\', \'10.0.0.45\', \'7.6\'
\'2\', \'2015-03-25\', \'18:32:39\', \'179.59.63.10\', \'HTTP\', \'192.168.1.50\', \'3.4\'
\'3\', \'2015-03-25\', \'09:01:46\', \'172.75.68.3\', \'HTTPS\', \'10.0.0.45\', \'2.2\'
\'4\', \'2015-03-25\', \'02:12:54\', \'177.31.58.21\', \'HTTPS\', \'10.0.0.45\', \'0\'
\'5\', \'2015-03-25\', \'20:19:35\', \'174.54.64.7\', \'HTTPS\', \'192.168.1.50\', \'5.4\'
\'6\', \'2015-03-25\', \'06:27:04\', \'177.34.38.6\', \'POP3\', \'10.0.0.45\', \'0.1\'
\'7\', \'2015-03-25\', \'07:29:08\', \'180.61.35.20\', \'TELNET\', \'10.0.0.45\', \'9.4\'
\'8\', \'2015-03-25\', \'20:12:54\', \'172.42.40.24\', \'POP3\', \'192.168.1.50\', \'5.2\'
\'9\', \'2015-03-25\', \'16:55:52\', \'176.86.42.21\', \'POP3\', \'192.168.1.50\', \'5.2\'
\'10\', \'2015-03-25\', \'03:02:15\', \'178.84.54.25\', \'POP3\', \'10.0.0.45\', \'3.1\'
\'11\', \'2015-03-25\', \'08:39:50\', \'176.42.62.8\', \'HTTPS\', \'10.0.0.45\', \'0.9\'
\'12\', \'2015-03-25\', \'15:59:06\', \'180.56.50.25\', \'HTTPS\', \'192.168.1.50\', \'9.6\'
\'13\', \'2015-03-25\', \'21:10:39\', \'180.76.53.12\', \'HTTPS\', \'10.0.0.45\', \'4.5\'
\'14\', \'2015-03-25\', \'21:05:42\', \'172.88.35.4\', \'HTTPS\', \'10.0.0.45\', \'2.6\'
\'15\', \'2015-03-25\', \'17:31:45\', \'176.63.31.15\', \'POP3\', \'10.0.0.45\', \'9.4\'
\'16\', \'2015-03-25\', \'18:19:05\', \'180.30.70.23\', \'HTTPS\', \'192.168.1.50\', \'2.6\'
\'17\', \'2015-03-25\', \'08:49:46\', \'175.33.30.3\', \'POP3\', \'192.168.1.50\', \'9.2\'
\'18\', \'2015-03-25\', \'14:04:23\', \'180.72.38.4\', \'HTTPS\', \'192.168.1.50\', \'6.1\'
\'19\', \'2015-03-25\', \'11:17:31\', \'180.61.54.14\', \'TELNET\', \'10.0.0.45\', \'6.7\'
\'20\', \'2015-03-25\', \'14:20:28\', \'174.61.38.14\', \'FTP\', \'192.168.1.50\', \'9.5\'
\'21\', \'2015-03-25\', \'03:00:57\', \'178.54.62.24\', \'FTP\', \'10.0.0.45\', \'3.2\'
\'22\', \'2015-03-25\', \'19:36:09\', \'177.53.55.19\', \'HTTPS\', \'10.0.0.45\', \'8.2\'
\'23\', \'2015-03-25\', \'04:01:17\', \'177.80.36.22\', \'POP3\', \'192.168.1.50\', \'6.7\'
\'24\', \'2015-03-25\', \'09:49:47\', \'174.61.64.3\', \'HTTP\', \'10.0.0.45\', \'8.6\'
\'25\', \'2015-03-25\', \'04:46:17\', \'174.73.30.15\', \'HTTPS\', \'192.168.1.50\', \'0.3\'
\'26\', \'2015-03-25\', \'05:50:34\', \'175.77.38.12\', \'POP3\', \'10.0.0.45\', \'9.8\'
\'27\', \'2015-03-25\', \'10:53:17\', \'177.41.53.10\', \'POP3\', \'192.168.1.39\', \'8.4\'
\'28\', \'2015-03-25\', \'03:36:08\', \'177.81.56.20\', \'HTTPS\', \'192.168.1.50\', \'8.5\'
\'29\', \'2015-03-25\', \'18:38:44\',.
The financial account of the balance of payments comprises (a) Th.pdf
The financial account of the balance of payments comprises:
(a) The current and capital accounts
(b) Trade in goods, services, income from investments and one-time transfers
(c) Direct, portfolio, ‘other’ investments and financial derivatives
Solution
And is option C
Financial account captures direct , portfolio , other investments and financial derivatives.
Study the concept map below and then answer the questions that follow.pdf
Study the concept map below and then answer the questions that follow. Copyright on McGraw-
HilEducation Permission required for reproduction or display BLOOD co, and o. is transported
includes Platelets include are suspended Red blood cells espiratory system Consists of
Circulatory espiratory tract respiratory tract system Heart Blood vessels Lungs Alveoli Body
tissues
Solution
Answer:
1.
Respiring cells release waste carbon dioxide into the blood
Oxygen moves from the lungs into the blood
Carbon dioxide diffuse from the blood into the lungs
2.
Circulatory system is divided into two loops called pulmonary circulation and systemic
circulation.
Pulmonary circulation exchanges gases at alveoli
3.
Blood vessels include arteries, capillaries and veins
Arteries have more smooth muscle than veins
Capillaries exchange dissolve substances with interstitial fluids.
The 7.33 monthly investment gives an effective rate of . The 7.12.pdf
The 7.33% monthly investment gives an effective rate of %. The 7.12% semiannually investment
gives an effective rate of %.
Solution
effective rate,
r = (1 + i/n)^n - 1
a)
i = 7.33/100 = 0.0733
n=12
r = (1 + 0.0733/12)^12 -1
r = (1 + 6.11*10^-3)^12 -1
= 0.0758
= 7.58 %
Answer: 7.58 %
b)
i = 7.12/100 = 0.0712
n=2
r = (1 + 0.0712/2)^2 -1
r = (1 + 0.0356)^2 -1
= 0.0725
= 7.25 %
Answer: 7.25 %.
TCP completes a three-way handshake before exchanging data. In order.pdf
TCP completes a three-way handshake before exchanging data. In order, what are the steps?
A. ACK, SYN/ACK, SYN
B. ACK, SYN, SYN/ACK
C. SYN/ACK, ACK, SYN
D. SYN, SYN/ACK, ACK
Solution
D is correct. The three-way handshake begins with a synchronization packet (SYN), which is
then acknowledged (SYN/ACK). The last step is an acknowledgment of the sequence numbers
(ACK).
A, B, and C are incorrect. The steps are out of order..
Robot is in the world with 3 locations A, B, C.The probability tha.pdf
Robot is in the world with 3 locations A, B, C.
The probability that the Robot is in one of location is: P (A) = P(B) = P(C ) = 1/3.
The color of location A is Red while the colors of location B and C are Green.
Robot has a sensor to detect a color, but the sensor is unreliable. The probability that it senses the
color of location correct is only 0.9 for each location.
P(Red | A) = P(Green | B) = P(Green | C) = 0.9
Robot is seeing Red currently.
[1] What is the probability that the Robot is in location A?
[2] What is the probability that it is in location B?
[3] What is the probability that the Robot is in C?
Solution.
Network Address Port Translation. Residential Network connections vi.pdf
Network Address Port Translation. Residential Network connections via Cable or DSL usually
are allocated only a single IP Address. As end users often want to operate multiple internet
enabled devices at home, people often use small routers to map an internal network with multiple
IP addresses, to the single IP address provided by the ISP. This is referred to as Network Address
Port Translation (NAPT) or just Network Address Translation (NAT). Assume we have a home
network that is connected by a wireless router that includes NAT capabilities as well as a DHCP
server. On the wireless network we have a Desktop, a Laptop and a Video Game Console that
are switched on and used in this order. The external IP address of the router is 71.204.145.120,
the internal IP address is 192.168.1.1. The DHCP server on the router is programmed to give out
IP addresses on the nework 192.168.1.1, netmask FF:FF:00:00.
(a.) Draw the topology of the network with the router after all devices are switched on (you can
omit any hosts between the wireless router and myth18). The topology should include IP
addresses and netmasks where known.
(b.) After all three hosts on the wireless network are switched on they connect to a web server
running on myth18.stanford.edu. What IP addresses will the web server on myth18 record for the
web requests coming from the Laptop, Desktop and Video Game Console?
(c.) Both the Laptop and Desktop have an SSH server running on port 22. Is it possible to
connect from myth18 to the SSH servers? If yes, explain the steps involved in setting up the
connection. If no explain why it is not possible.
(d.) Is there an upper limit for the maximum number of parallel UDP connections from hosts on
the local network of the router to servers on the internet? If yes, what is this maximum?
Solution
A single listening port can accept more than one connection simultaneously.
There is a \'64K\' limit that is often cited, but that is per client per server port, and needs
clarifying.
Each TCP/IP packet has basically four fields for addressing; these are:
Inside the TCP stack, these four fields are used as a compound key to match up packets to
connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those
fields will be the same - only source_port varies to differentiate the different connections. Ports
are 16-bit numbers, therefore the maximum number of connections any given client can have to
any given host port is 64K.
However, multiple clients can each have up to 64K connections to some server\'s port, and if the
server has multiple ports or either is multi-homed then you can multiply that further.
So the real limit is file descriptors. Each individual socket connection is given a file descriptor,
so the limit is really the number of file descriptors that the system has been configured to allow
and resources to handle. The maximum limit is typically up over 300K, but is configurable e.g.
wit.
Methods used to extend the life of the IPv4 addressing methods are.pdf
Methods used to extend the life of the IPv4 addressing methods are:
a) CIDR
b) VLSM
c) Static routes
d) NAT
e) private networking address space
f) subnetting
g) VCI/VCI addressing scheme
h) DHCP
I) a,b,d,e,f, and g
J) a,b,c,e,f,and h
k.) all of the above
Solution
Answer is option (I)
In most cases, NAT is used..
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Mule 4.6 & Java 17 Upgrade | MuleSoft Mysore Meetup #46
Event Link:-
https://meetups.mulesoft.com/events/details/mulesoft-mysore-presents-exploring-gemini-ai-and-integration-with-mulesoft/
Agenda
● Java 17 Upgrade Overview
● Why and by when do customers need to upgrade to Java 17?
● Is there any immediate impact to upgrading to Mule Runtime 4.6 and beyond?
● Which MuleSoft products are in scope?
For Upcoming Meetups Join Mysore Meetup Group - https://meetups.mulesoft.com/mysore/
YouTube:- youtube.com/@mulesoftmysore
Mysore WhatsApp group:- https://chat.whatsapp.com/EhqtHtCC75vCAX7gaO842N
Speaker:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Priya Shaw - https://www.linkedin.com/in/priya-shaw
Organizers:-
Shubham Chaurasia - https://www.linkedin.com/in/shubhamchaurasia1/
Giridhar Meka - https://www.linkedin.com/in/giridharmeka
Priya Shaw - https://www.linkedin.com/in/priya-shaw
Shyam Raj Prasad-
https://www.linkedin.com/in/shyam-raj-prasad/
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A parts assembly station on a production line exhibits a severe vibra.pdf
A parts assembly station on a production line exhibits a severe vibration problem. A simplified
schematic representation is shown in Fig. 4.26. Two large tables of mass m_1 and m_2 are each
mounted to a sliding metal plate on resilient rubber mounts with shear stiffness K_1 and K_2, as
shown. The tables are each subjected to a vibrational excitation force, F_1(t) and F_2(t). The
plates are able to slide viscously on a second pair of deformable rubber mounts, with shear
stiffnesses K_3 and K_4. The viscous sliding coefficients are B_1 and B_2. The two plates are
coupled by a shaft with longitudinal stiffness K_5. Draw a linear graph for the system using the
two forces F_1 and F_2 as inputs.
Solution
An assembly line is a manufacturing process in which interchangeable parts are added to a
product in a sequential manner to create an end product. In most cases, a manufacturing
assembly line is a semi-automated system through which a product moves. At each station along
the line some part of the production process takes place. The workers and machinery used to
produce the item are stationary along the line and the product moves through the cycle, from
start to finish.
Assembly line methods were originally introduced to increase factory productivity and
efficiency. Advances in assembly line methods are made regularly as new and more efficient
ways of achieving the goal of increased throughput (the number of products produced in a given
period of time) are found. While assembly line methods apply primarily to manufacturing
processes, business experts have also been known to apply these principles to other areas of
business, from product development to management.
The introduction of the assembly line to American manufacturing floors in the early part of the
twentieth century fundamentally transformed the character of production facilities and businesses
throughout the nation. Thanks to the assembly line, production periods shortened, equipment
costs accelerated, and labor and management alike endeavored to keep up with the changes.
Today, using modern assembly line methods, manufacturing has become a highly refined process
in which value is added to parts along the line. Increasingly, assembly line manufacturing is
characterized by \"concurrent processes\"—multiple parallel activities that feed into a final
assembly stage. These processes require sophisticated communications systems, material flow
plans, and production schedules. The fact that the assembly line system is a single, large system
means that failures at one point in the \"line\" cause slowdowns and repercussions from that
point forward. Keeping the entire system running smoothly requires a great deal of coordination
between the parts of the system.
Computer power has enabled tracking systems to become more sophisticated and this, in turn,
has made it possible to reduce the costs associated with holding inventories. Just-in-time (JIT)
manufacturing methods have been developed to reduce t.
You are conducting a study investigating the effects of a high-fat d.pdf
You are conducting a study investigating the effects of a high-fat diet on general health. Study
participants self-report fat content in their diets. Given that people generally under-report fat
content in their food, what type of bias might be occurring?
a.Interviewer bias
b.Misclassification
c.Self-selection bias
Solution
a.Interviewer bias.
What is inclusionSolutioninclusions in biology means the foll.pdf
What is inclusion?
Solution
inclusions in biology means the following :
In a cell the substances present in the cytoplasm. They can be fats or lipids like fat globules,
carbohydrates like glycogen or crystals from the salts, pigments or coloring substances, water
containing vacoules present inside the cell and they are the byproducts of the metabolism of the
cells. sometimes they serve as nutrients for the cells. Some times in bacterial cells they
constitively express the proteins or synthesise proteins and they will all form a aggregates and
they are called inclusion bodies. The inclusion bodies or proteins are generally present inside the
cytoplasm and very difficult to remove or break the aggregates and a very tedious procedures are
required to disintegrate the proteins and fold them in proper conformations..
What organ systems that work with the digestive system to deliver nu.pdf
What organ systems that work with the digestive system to deliver nutrients and eliminate
wastes?
Solution
The digestive system helps in turning the food you eat into something useful for the body. The
Organ system associated with digestive system to deliver nutrients and eliminate wastes are
endocrine system, nervous system, Cardiovascular system, Urinary system, respiratory system
and integumentary system..
What are the major design considerations for secondary clarifers fol.pdf
What are the major design considerations for secondary clarifers following activated sludge
processes?
Solution
Major design considerations for sctivsted sludge process:
1) Hydraulic retention time
2) Organic loading rate
3) specific food/ substrate utilization rate
4)sludge age
5) F/M Ratio
6) Recirculation ratio
7) Sludge volume index
These seven are the major desing consideration.
What is meant by composite pavement What is meant by composit.pdf
What is meant by composite pavement ?
What is meant by composite pavement ?
Solution
COMPOSITE PAVEMENT STRUCTURE IS DEFINED AS A STRUCTURE COMPRISING
MULTIPLE, STRUCTURALLY SIGNIFICANT, LAYERS OF DIFFERENT, SOMETIMES
HETEROGENEOUS COMPOSITION.
It is a pavement which is constructed with a rigid pavement as the lower layer and a flexible
pavement surfacing or wearing course on the top or vice versa. The flexible (asphalt concrete)
surface is designed to provide special functions such as frictional resistance, wear resistance,
better traffic delineation, thermal insulation, and protection against adverse environmental effects.
Use C++ Write a function to merge two doubly linked lists. The input.pdf
Use C++ Write a function to merge two doubly linked lists. The input lists have their elements in
sorted order, from lowest to highest. The output list should also be sorted from lowest to highest.
Your algorithm should run in linear time on the length of the output list. Provide an algorithm for
your function Implement and show some samples of your running function
Solution
/* This is a C++ program to merge two sorted linked lists and produce a list in a
Sorted order */
#include
#include
#include
/* Link list node */
struct node
{
int data;
struct node* next;
};
/* This function is used to pull off the front node of the source and put it in destnation */
void letusMoveNode(struct node** destRef, struct node** sourceRef);
/* This is a function used for performing merging of two linked lists.It takes two lists sorted in
increasing order, and splices
their nodes together to make one big sorted list which
is returned. */
struct node* letssortlists(struct node* a, struct node* b)
{
/* Let us first have dummyone first node to hang the result on */
struct node dummyone;
/*next the tail points to the last result node */
struct node* tail = &dummyone;
/* As a result, tail->next is the place to add new nodes
to the result. */
dummyone.next = NULL;
while (1)
{
if (a == NULL)
{
/*we will check that if either list runs out, use the
other list */
tail->next = b;
break;
}
else if (b == NULL)
{
tail->next = a;
break;
}
if (a->data <= b->data)
letusMoveNode(&(tail->next), &a);
else
letusMoveNode(&(tail->next), &b);
tail = tail->next;
}
return(dummyone.next);
}
/* letusMoveNode() function is a function which takes the node from the front of the
source, and move it to the front of the dest.
Before calling letusMoveNode():
source == {1, 2, 3}
dest == {1, 2, 3}
Affter calling letusMoveNode():
source == {3, 4}
dest == {1, 2, 3, 4} */
void letusMoveNode(struct node** destReference, struct node** sourceReference)
{
/*This is the front source node */
struct node* newNode = *sourceReference;
assert(newNode != NULL);
/* now we will advance the source pointer */
*sourceReference = newNode->next;
/*next we will link the old dest off the new node */
newNode->next = *destReference;
/* Fineally we will move dest to point to the new node */
*destReference = newNode;
}
/* This IS A function which is used to insert a node at the beginning of the linked list */
void insertpush(struct node** head_reference, int new_data)
{
/* This is used to allocate node */
struct node* new_node =
(struct node*) malloc(sizeof(struct node));
/* now we will put in the data */
new_node->data = new_data;
/* The next step is to link the old list off the new node */
new_node->next = (*head_reference);
/*Finally we will move the head to point to the new node */
(*head_reference) = new_node;
}
/* This is a function to print nodes in a given linked list */
void printList(struct node *node)
{
while (node!=NULL)
{
printf(\"%d \", node->data);
node = node->next;
}
}
/*This is the driver program to test ab.
Using an intensity of 1 × 10-12 Wm2 as a reference, the threshold o.pdf
Using an intensity of 1 × 10-12 W/m2 as a reference, the threshold of hearing for an average
young person is 0 dB. Person 1 and person 2, who are not average, have thresholds of hearing
that are 1 = -14.0 dB and 2 = +23.0 dB. What is the ratio I1/I2 of the sound intensity I1 when
person 1 hears the sound at his own threshold of hearing compared to the sound intensity I2
when person 2 hears the sound at his own threshold of hearing?
Solution
I = 1 * 10-12 * 10[dB/10]
I1 = 1 * 10-12 * 10[-14 / 10 ]
= 3.98 * 10-14 w/m2
I2 = 1 * 10-12 * 10[23 / 10 ]
= 1.99 * 10-10 w/m2
ratio = (3.98 * 10-14) / (1.99 * 10-10)
= 2.00 * 10-4.
Tissue regeneration is an emerging and exciting biomedical field. As.pdf
Tissue regeneration is an emerging and exciting biomedical field. As a scientist, choose either an
adult stem cell population or embryonic stem cells as a model system to develop a technique for
growing artificial limbs in culture. Be sure to explain why you chose your particular stem cell
and the drawbacks associated with the one that you did not choose for your experiments.
Solution
In tissue regeneration scientists choose only embryonic stem cells as a models system to develop
a technique for growing artificial limbs in culture. In case of salamanders have unusual and very
desirable characteristics of being able replicate limb. When salamanders loses a limb does not
form scab. Instead a wound epidermis forms it known as apical epithelial cells they form
blastema. This knob of stem cells is then able completely regenerate the limb, these blastemata
like MRL mice act as embryonic stem cells.
Embryonic stem cells:
1. It is pluripotent i.e., differentiate into 3 of the primary germ layers (ectoderm, endoderm,
mesoderm) this indicates that embryonic stem cells can potentially differentiate into adult human
cell if stimulated right way
Drawbacks of adult stem cells:
1.It is multipotent meaning that each can only produced limited cell type.
2. Unlike embryonic stem cells, they are much scarcer and harder to culture
so its not choosen by scientist to develop for growing artificial limbs in culture..
The preeminent American naturalist of the late 1800s was Charles Dar.pdf
The preeminent American naturalist of the late 1800s was Charles Darwin. Charles Wyville
Thomson. Victor Hensen. Alexander Agassiz. Edward Forbes. The first marine biology
laboratory was: the Scripps Institute of Oceanography. the Marine Biological Laboratory at
Woods Hole. the Rosenstiel School of Marine and Atmospheric Research. the Friday Harbor
Laboratories. the Duke University Marine Laboratory. An early marine biology expedition to
the North Pole was led by: Sir Alistair Hardy. Alexander Agassiz. Fridtjof Nanson. Charles
Wyville Thomson. Robert Peary. An early marine biology expedition to study Antarctic whales
was led by: Sir Alistair Hardy. Alexander Agassiz. Fridtjof Nanson. Charles Wyville
Thomson. Louis Agassiz. The scientific method can be best described as: implementing an
experiment. inductive and deductive reasoning. collecting data from the laboratory. an orderly
set of procedures for learning about and interpreting the world. a rig
Solution
7. The preeminent American naturalist of late 1800s late was Alexander Agassiz.
8. The first marine biology laboratory was the Marine Biological Laboratory at woods Hole.
9. An early marine biology expedition to the North Pole was led by Fridtjof Nanson.
10. An early marine biology expedition to study Antarctic whales was led by Sir Alistair Hardy.
11. The scientific method can be best described as an orderly set of procedures for learning about
and interpreting the world.
.12. The first step in the scientific process is making observations.
13. For a scientific theory to enjoy broad acceptance by the scientific community it must be
based on numerous observations and have one or more hypothesis that have been tested and
accepted..
The LS and LF are calculated using thebackward pass through the ne.pdf
The LS and LF are calculated using the
backward pass through the network.
forward pass through the network.
values for ES and EF.
backward and forward pass through the network
backward pass through the network.
forward pass through the network.
values for ES and EF.
backward and forward pass through the network
Solution
The late start time LS and the Late finish time LF are calculated using the Early start time ES
and the early finish time EF.
So third option is correct.
the politics of the gilded age failed to deal with the critical soci.pdf
the politics of the gilded age failed to deal with the critical social and economic issues assess the
validity of this statement. Use both the documents and your knowledge of the us from 1865 to
1900
Solution
The Government’s policy of laissez faire let wealthy people to do whatever they want and did
not want to get involved. With the advent of industrialism, working class had few rights and
terrible working conditions. Without laws in place to limit the power of monopolies, the majority
of American wealth and power were in the hands of few people. Government jobs were
distributed through corrupt patronage system. The political history of the Gilded Age is usually
reduced to a tale of corruption.
Contracts were awarded on the basis of favouritism rather than competitive bidding. At
municipal level, the corruption was just as great. Political insiders grew rich meeting the needs of
the ever expanding cities. The most sensational shortcoming of American political system was
corruption, more subtle was the general lethargy that crippled national government and failure of
either of the major parties to advance an adequate agenda to meet the needs of America’s rapidly
changing society. Neither Democrats nor Republicans pursued ambitious agenda. In the absence
of more expansive vision, the two parties waged battle largely for the spoils of patronage that
victory could bring.
New technologies improved agricultural production but prices were dropping too low to support
farmers. Farmers were frustrated with both Democrats and Republicans and they formed their
own organizations. America’s farmers experienced a dramatic shift in their fortunes over the
course of the Gilded Age.
*****.
the following is my sql TRAFFIC chart. The columns are id, tdate, tt.pdf
the following is my sql TRAFFIC chart. The columns are id, tdate, ttime, SourceIP, Protocol,
WEBSERVER_IP, packetsize
There\'s two queries to write number one is...Find the frequency of the connections to each
protocol type. (ratio=(number of connections to a protocol)/(the total number of connections)-
HINT: You need to use a subquery for this question. (the output it is supposed to have is all the
way at the bottom of the page)
\'1\', \'2015-03-25\', \'01:00:15\', \'176.49.66.6\', \'POP3\', \'10.0.0.45\', \'7.6\'
\'2\', \'2015-03-25\', \'18:32:39\', \'179.59.63.10\', \'HTTP\', \'192.168.1.50\', \'3.4\'
\'3\', \'2015-03-25\', \'09:01:46\', \'172.75.68.3\', \'HTTPS\', \'10.0.0.45\', \'2.2\'
\'4\', \'2015-03-25\', \'02:12:54\', \'177.31.58.21\', \'HTTPS\', \'10.0.0.45\', \'0\'
\'5\', \'2015-03-25\', \'20:19:35\', \'174.54.64.7\', \'HTTPS\', \'192.168.1.50\', \'5.4\'
\'6\', \'2015-03-25\', \'06:27:04\', \'177.34.38.6\', \'POP3\', \'10.0.0.45\', \'0.1\'
\'7\', \'2015-03-25\', \'07:29:08\', \'180.61.35.20\', \'TELNET\', \'10.0.0.45\', \'9.4\'
\'8\', \'2015-03-25\', \'20:12:54\', \'172.42.40.24\', \'POP3\', \'192.168.1.50\', \'5.2\'
\'9\', \'2015-03-25\', \'16:55:52\', \'176.86.42.21\', \'POP3\', \'192.168.1.50\', \'5.2\'
\'10\', \'2015-03-25\', \'03:02:15\', \'178.84.54.25\', \'POP3\', \'10.0.0.45\', \'3.1\'
\'11\', \'2015-03-25\', \'08:39:50\', \'176.42.62.8\', \'HTTPS\', \'10.0.0.45\', \'0.9\'
\'12\', \'2015-03-25\', \'15:59:06\', \'180.56.50.25\', \'HTTPS\', \'192.168.1.50\', \'9.6\'
\'13\', \'2015-03-25\', \'21:10:39\', \'180.76.53.12\', \'HTTPS\', \'10.0.0.45\', \'4.5\'
\'14\', \'2015-03-25\', \'21:05:42\', \'172.88.35.4\', \'HTTPS\', \'10.0.0.45\', \'2.6\'
\'15\', \'2015-03-25\', \'17:31:45\', \'176.63.31.15\', \'POP3\', \'10.0.0.45\', \'9.4\'
\'16\', \'2015-03-25\', \'18:19:05\', \'180.30.70.23\', \'HTTPS\', \'192.168.1.50\', \'2.6\'
\'17\', \'2015-03-25\', \'08:49:46\', \'175.33.30.3\', \'POP3\', \'192.168.1.50\', \'9.2\'
\'18\', \'2015-03-25\', \'14:04:23\', \'180.72.38.4\', \'HTTPS\', \'192.168.1.50\', \'6.1\'
\'19\', \'2015-03-25\', \'11:17:31\', \'180.61.54.14\', \'TELNET\', \'10.0.0.45\', \'6.7\'
\'20\', \'2015-03-25\', \'14:20:28\', \'174.61.38.14\', \'FTP\', \'192.168.1.50\', \'9.5\'
\'21\', \'2015-03-25\', \'03:00:57\', \'178.54.62.24\', \'FTP\', \'10.0.0.45\', \'3.2\'
\'22\', \'2015-03-25\', \'19:36:09\', \'177.53.55.19\', \'HTTPS\', \'10.0.0.45\', \'8.2\'
\'23\', \'2015-03-25\', \'04:01:17\', \'177.80.36.22\', \'POP3\', \'192.168.1.50\', \'6.7\'
\'24\', \'2015-03-25\', \'09:49:47\', \'174.61.64.3\', \'HTTP\', \'10.0.0.45\', \'8.6\'
\'25\', \'2015-03-25\', \'04:46:17\', \'174.73.30.15\', \'HTTPS\', \'192.168.1.50\', \'0.3\'
\'26\', \'2015-03-25\', \'05:50:34\', \'175.77.38.12\', \'POP3\', \'10.0.0.45\', \'9.8\'
\'27\', \'2015-03-25\', \'10:53:17\', \'177.41.53.10\', \'POP3\', \'192.168.1.39\', \'8.4\'
\'28\', \'2015-03-25\', \'03:36:08\', \'177.81.56.20\', \'HTTPS\', \'192.168.1.50\', \'8.5\'
\'29\', \'2015-03-25\', \'18:38:44\',.
The financial account of the balance of payments comprises (a) Th.pdf
The financial account of the balance of payments comprises:
(a) The current and capital accounts
(b) Trade in goods, services, income from investments and one-time transfers
(c) Direct, portfolio, ‘other’ investments and financial derivatives
Solution
And is option C
Financial account captures direct , portfolio , other investments and financial derivatives.
Study the concept map below and then answer the questions that follow.pdf
Study the concept map below and then answer the questions that follow. Copyright on McGraw-
HilEducation Permission required for reproduction or display BLOOD co, and o. is transported
includes Platelets include are suspended Red blood cells espiratory system Consists of
Circulatory espiratory tract respiratory tract system Heart Blood vessels Lungs Alveoli Body
tissues
Solution
Answer:
1.
Respiring cells release waste carbon dioxide into the blood
Oxygen moves from the lungs into the blood
Carbon dioxide diffuse from the blood into the lungs
2.
Circulatory system is divided into two loops called pulmonary circulation and systemic
circulation.
Pulmonary circulation exchanges gases at alveoli
3.
Blood vessels include arteries, capillaries and veins
Arteries have more smooth muscle than veins
Capillaries exchange dissolve substances with interstitial fluids.
The 7.33 monthly investment gives an effective rate of . The 7.12.pdf
The 7.33% monthly investment gives an effective rate of %. The 7.12% semiannually investment
gives an effective rate of %.
Solution
effective rate,
r = (1 + i/n)^n - 1
a)
i = 7.33/100 = 0.0733
n=12
r = (1 + 0.0733/12)^12 -1
r = (1 + 6.11*10^-3)^12 -1
= 0.0758
= 7.58 %
Answer: 7.58 %
b)
i = 7.12/100 = 0.0712
n=2
r = (1 + 0.0712/2)^2 -1
r = (1 + 0.0356)^2 -1
= 0.0725
= 7.25 %
Answer: 7.25 %.
TCP completes a three-way handshake before exchanging data. In order.pdf
TCP completes a three-way handshake before exchanging data. In order, what are the steps?
A. ACK, SYN/ACK, SYN
B. ACK, SYN, SYN/ACK
C. SYN/ACK, ACK, SYN
D. SYN, SYN/ACK, ACK
Solution
D is correct. The three-way handshake begins with a synchronization packet (SYN), which is
then acknowledged (SYN/ACK). The last step is an acknowledgment of the sequence numbers
(ACK).
A, B, and C are incorrect. The steps are out of order..
Robot is in the world with 3 locations A, B, C.The probability tha.pdf
Robot is in the world with 3 locations A, B, C.
The probability that the Robot is in one of location is: P (A) = P(B) = P(C ) = 1/3.
The color of location A is Red while the colors of location B and C are Green.
Robot has a sensor to detect a color, but the sensor is unreliable. The probability that it senses the
color of location correct is only 0.9 for each location.
P(Red | A) = P(Green | B) = P(Green | C) = 0.9
Robot is seeing Red currently.
[1] What is the probability that the Robot is in location A?
[2] What is the probability that it is in location B?
[3] What is the probability that the Robot is in C?
Solution.
Network Address Port Translation. Residential Network connections vi.pdf
Network Address Port Translation. Residential Network connections via Cable or DSL usually
are allocated only a single IP Address. As end users often want to operate multiple internet
enabled devices at home, people often use small routers to map an internal network with multiple
IP addresses, to the single IP address provided by the ISP. This is referred to as Network Address
Port Translation (NAPT) or just Network Address Translation (NAT). Assume we have a home
network that is connected by a wireless router that includes NAT capabilities as well as a DHCP
server. On the wireless network we have a Desktop, a Laptop and a Video Game Console that
are switched on and used in this order. The external IP address of the router is 71.204.145.120,
the internal IP address is 192.168.1.1. The DHCP server on the router is programmed to give out
IP addresses on the nework 192.168.1.1, netmask FF:FF:00:00.
(a.) Draw the topology of the network with the router after all devices are switched on (you can
omit any hosts between the wireless router and myth18). The topology should include IP
addresses and netmasks where known.
(b.) After all three hosts on the wireless network are switched on they connect to a web server
running on myth18.stanford.edu. What IP addresses will the web server on myth18 record for the
web requests coming from the Laptop, Desktop and Video Game Console?
(c.) Both the Laptop and Desktop have an SSH server running on port 22. Is it possible to
connect from myth18 to the SSH servers? If yes, explain the steps involved in setting up the
connection. If no explain why it is not possible.
(d.) Is there an upper limit for the maximum number of parallel UDP connections from hosts on
the local network of the router to servers on the internet? If yes, what is this maximum?
Solution
A single listening port can accept more than one connection simultaneously.
There is a \'64K\' limit that is often cited, but that is per client per server port, and needs
clarifying.
Each TCP/IP packet has basically four fields for addressing; these are:
Inside the TCP stack, these four fields are used as a compound key to match up packets to
connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those
fields will be the same - only source_port varies to differentiate the different connections. Ports
are 16-bit numbers, therefore the maximum number of connections any given client can have to
any given host port is 64K.
However, multiple clients can each have up to 64K connections to some server\'s port, and if the
server has multiple ports or either is multi-homed then you can multiply that further.
So the real limit is file descriptors. Each individual socket connection is given a file descriptor,
so the limit is really the number of file descriptors that the system has been configured to allow
and resources to handle. The maximum limit is typically up over 300K, but is configurable e.g.
wit.
Methods used to extend the life of the IPv4 addressing methods are.pdf
Methods used to extend the life of the IPv4 addressing methods are:
a) CIDR
b) VLSM
c) Static routes
d) NAT
e) private networking address space
f) subnetting
g) VCI/VCI addressing scheme
h) DHCP
I) a,b,d,e,f, and g
J) a,b,c,e,f,and h
k.) all of the above
Solution
Answer is option (I)
In most cases, NAT is used..
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