Answer:
For our homework we have to listen to a podcast
Which insert image option allows a user to compile, modify, and add captions to images?
Pictures
Screenshot
Photo Album
Online Pictures
Answer:
heres my answer and my proof
Explanation:
Photo Album is insert image option allows a user to compile, modify, and add captions to images. Hence, option C is correct.
What is a Photo Album?A piece of software called a digital picture album allows users to upload image files from a computer's hard drive, memory card, scanner, or digital camera to a central database.
A bound or loose-leaf book with blank pages, pockets, envelopes, etc. used for displaying or storing photographs, stamps, and other valuables, as well as for autographs. an audio compilation of various musical selections, a whole drama, an opera, etc.
The paper of your choosing is directly printed with the images for your picture book. In picture albums, photo prints are commonly adhered to the pages. Photo books are frequently lighter and thinner than conventional photo albums, taking up less room on the coffee table or shelf.
Thus, option C is correct.
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Find the following series of 8,88,888,8888,88888
the sum to n terms of the sequence 8, 88, 888, 8888,..... is 80/80(10ⁿ-1) -8/9n
How is this so?The nth terms is solved as follows
Sⁿ =8+88+888+8888+......+n terms
= 8/9 [9+99+999+9999+....to n terms]
= 8/9 [(10−1)+(10² −1+(10³ −1)+(10⁴ −1+....to n terms]
= 8/9 [(10+(10²+(10³ .....n terms) - (1 + 1 + 1 + ....n terms)
= 8/9 [(10(10ⁿ-1))/(10-1) - n] [Sun of GP= a(rⁿ-1)/(r-1) when r > 1]
= 8/9 [ 10 (10ⁿ -1)/9) -n]
= 80/81(10ⁿ -1) -8/9n
Thus, it is correct to state that 80/81(10ⁿ -1) -8/9n
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Full Question:
Find the sum to n terms of the sequence 8, 88, 888, 8888,
When a program is adapted to run on multiple processors in a multiprocessor system, the execution time on each processor is comprised of computing time and the overhead time required for locked critical sections and/or to send data from one processor to another. Assume a program requires t = 100 s of execution time on one processor. When run p processors, each processor requires t/p s, as well as an additional 4 s of overhead, irrespective of the number of processors. Compute the per-processor execution time for 2, 4, 8, 16, 32, 64, and 128 processors. For each case, list the corresponding speedup relative to a single processor and the ratio between actual speedup versus ideal speedup (speedup if there was no overhead).
When a computer or digital device is used as a storage device or in the facilitation of an offense, it is argued to be ____ to the offense. incidental evidentiary unrelated tertiary
Answer:
Incidental.
Explanation:
When a computer or digital device is used as a storage device or in the facilitation of an offense, it is argued to be incidental to the offense.
For instance, the list of customers used by human traffickers is considered to be generated through an incidental system.
A service provider recently upgraded one of the storage clusters that houses non-confidential data for clients. The storage provider wants the hard drives back in working condition. Which of the following is the BEST method for sanitizing the data given the circumstances?A. HashingB. WipingC. PurgingD. Degaussing
Answer:
C. Purging
Explanation:
Data Purging in computer storage is a process that permanently erases and remove data from a storage space. Data deleting only removes the shortcut to the data but does not remove the data permanently, and can be easily recovered by an expert. Data purging removes data permanently and also frees up the storage or memory space for other uses. Data purging is relatively inexpensive and can be achieved with some special software tool.
Since the storage provider wants the hard drive back in working condition, data purging is the best option.
we can not split the cell true or fasle
Answer:
You can't split an individual cell.
Explanation:
You can't split an individual cell, but you can make it appear as if a cell has been split by merging the cells above it.
Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value for hours worked in a day. The program calculates the hours worked in a five-day week and the hours worked in a 252-day work year. The program outputs all the results.
Answer:
i think its 2131
Explanation:
c
At which stage of problem solving should you discuss the problem with colleagues?
The stage of problem solving one should discuss the problem with a colleague is defining the problem.
How to explain the informationTo begin developing a problem-solving approach, it's critical to recognize the issue at hand. It will be more difficult to determine a solution if you can't collectively recognize the issue.
Although each phase in the problem-solving process is critical, defining the problem comes first since without it, the other processes are meaningless.
The stage of problem solving one should discuss the problem with a colleague is defining the problem.
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please tell fast plzzzzzzz
Answer:
True
Explanation:
I just check on my computer
Answer:
True
Explanation:
u use this to do the symbols liek the at symbole or dollar sign. just to name a few
write a program to read 5 integers, and store them into a list. then, print the list. ex.: if the input is 1 2 4 3 5 the output is [1, 2, 4, 3, 5]
This program reads 5 integers, and stores them into a list, then prints the list.
# Creating an empty list to store the integers
list_of_ints = []
# Looping through 5 times, prompting the user to enter an integer
for i in range(5):
int_input = int(input("Please enter an integer: "))
# Adding the integer to the list
list_of_ints.append(int_input)
# Printing the list
print(list_of_ints)
What is program?Programs are sets of instructions that tell computers how to carry out tasks. They are used in virtually all aspects of modern life and are essential for the operation of modern technology. Programs are written in programming languages, which are designed to be easy for humans to read and understand. When complete, these programs can be compiled into machine code that the computer can understand and execute. Programs can range in complexity from simple scripts to massive databases and software suites. No matter the size or type of program, they all have the same basic purpose – to make the computer do something.
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Write a program HousingCost.java to calculate the amount of money a person would pay in renting an apartment over a period of time. Assume the current rent cost is $2,000 a month, it would increase 4% per year. There is also utility fee between $600 and $1500 per year. For the purpose of the calculation, the utility will be a random number between $600 and $1500.
1. Print out projected the yearly cost for the next 5 years and the grand total cost over the 5 years.
2. Determine the number of years in the future where the total cost per year is over $40,000 (Use the appropriate loop structure to solve this. Do not use break.)
Answer:
import java.util.Random;
public class HousingCost {
public static void main(String[] args) {
int currentRent = 2000;
double rentIncreaseRate = 1.04;
int utilityFeeLowerBound = 600;
int utilityFeeUpperBound = 1500;
int years = 5;
int totalCost = 0;
System.out.println("Year\tRent\tUtility\tTotal");
for (int year = 1; year <= years; year++) {
int utilityFee = getRandomUtilityFee(utilityFeeLowerBound, utilityFeeUpperBound);
int rent = (int) (currentRent * Math.pow(rentIncreaseRate, year - 1));
int yearlyCost = rent * 12 + utilityFee;
totalCost += yearlyCost;
System.out.println(year + "\t$" + rent + "\t$" + utilityFee + "\t$" + yearlyCost);
}
System.out.println("\nTotal cost over " + years + " years: $" + totalCost);
int futureYears = 0;
int totalCostPerYear;
do {
futureYears++;
totalCostPerYear = (int) (currentRent * 12 * Math.pow(rentIncreaseRate, futureYears - 1)) + getRandomUtilityFee(utilityFeeLowerBound, utilityFeeUpperBound);
} while (totalCostPerYear <= 40000);
System.out.println("Number of years in the future where the total cost per year is over $40,000: " + futureYears);
}
private static int getRandomUtilityFee(int lowerBound, int upperBound) {
Random random = new Random();
return random.nextInt(upperBound - lowerBound + 1) + lowerBound;
}
}
Explain the following as used in Tally Accounting Software:
Journal entry
Accounting period
Chart of accounts
Posting
Business transactions
Receptacle boxes are placed 12 feet apart. Holes are drilled in the wall studs 1 foot above the boxes to permit Romex wire to be run between them. Each receptacle box is 3 inches deep, and 6 inches of wire extends beyond the edge of a box. How many receptacle boxes can be wired with one box of Romex wire? (Note: A box of Romex wire contains 250 feet.)
There are 18 receptacle boxes with one box of Romex wire.
To determine how many receptacle boxes can be wired with one box of Romex wire, we need to calculate the amount of wire needed for each box and then divide the total length of wire in the box of Romex wire by that amount. First, we need to calculate the total length of wire needed for each receptacle box. Each box is placed 12 feet apart, and there is a hole drilled in the wall stud 1 foot above the box.
Therefore, the total distance that the wire needs to travel between each box is:
13 feet (12 feet + 1 foot)
Additionally, each box requires 6 inches of wire to extend beyond the edge.
This means that each box requires a total of 13.5 feet (13 feet + 6 inches) of wire.
Next, we need to determine how many boxes can be wired with one box of Romex wire, which contains 250 feet of wire.
To do this, we divide the total length of wire in the Romex box (250 feet) by the length of wire required for each receptacle box (13.5 feet).
So, 250 feet ÷ 13.5 feet = 18.52 boxes.
Therefore, we can wire a maximum of 18 receptacle boxes with one box of Romex wire.
It is important to note that this calculation assumes that there is no waste or excess wire and that the wire is run in a straight line between each box without any deviations. Additionally, this calculation does not take into account any additional wire that may be needed for connecting the boxes to a power source or for any other purposes.
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A Quicksort (or Partition Exchange Sort) divides the data into 2 partitions separated by a pivot. The first partition contains all the items which are smaller than the pivot. The remaining items are in the other partition. You will write four versions of Quicksort:
• Select the first item of the partition as the pivot. Treat partitions of size one and two as stopping cases.
• Same pivot selection. For a partition of size 100 or less, use an insertion sort to finish.
• Same pivot selection. For a partition of size 50 or less, use an insertion sort to finish.
• Select the median-of-three as the pivot. Treat partitions of size one and two as stopping cases.
As time permits consider examining additional, alternate methods of selecting the pivot for Quicksort.
Merge Sort is a useful sort to know if you are doing External Sorting. The need for this will increase as data sizes increase. The traditional Merge Sort requires double space. To eliminate this issue, you are to implement Natural Merge using a linked implementation. In your analysis be sure to compare to the effect of using a straight Merge Sort instead.
Create input files of four sizes: 50, 1000, 2000, 5000 and 10000 integers. For each size file make 3 versions. On the first use a randomly ordered data set. On the second use the integers in reverse order. On the third use the
integers in normal ascending order. (You may use a random number generator to create the randomly ordered file, but it is important to limit the duplicates to <1%. Alternatively, you may write a shuffle function to randomize one of your ordered files.) This means you have an input set of 15 files plus whatever you deem necessary and reasonable. Files are available in the Blackboard shell, if you want to copy them. Your data should be formatted so that each number is on a separate line with no leading blanks. There should be no blank lines in the file. Even though you are limiting the occurrence of duplicates, your sorts must be able to handle duplicate data.
Each sort must be run against all the input files. With five sorts and 15 input sets, you will have 75 required runs.
The size 50 files are for the purpose of showing the sorting is correct. Your code needs to print out the comparisons and exchanges (see below) and the sorted values. You must submit the input and output files for all orders of size 50, for all sorts. There should be 15 output files here.
The larger sizes of input are used to demonstrate the asymptotic cost. To demonstrate the asymptotic cost you will need to count comparisons and exchanges for each sort. For these files at the end of each run you need to print the number of comparisons and the number of exchanges but not the sorted data. It is to your advantage to add larger files or additional random files to the input - perhaps with 15-20% duplicates. You may find it interesting to time the runs, but this should be in addition to counting comparisons and exchanges.
Turn in an analysis comparing the two sorts and their performance. Be sure to comment on the relative numbers of exchanges and comparison in the various runs, the effect of the order of the data, the effect of different size files, the effect of different partition sizes and pivot selection methods for Quicksort, and the effect of using a Natural Merge Sort. Which factor has the most effect on the efficiency? Be sure to consider both time and space efficiency. Be sure to justify your data structures. Your analysis must include a table of the comparisons and exchanges observed and a graph of the asymptotic costs that you observed compared to the theoretical cost. Be sure to justify your choice of iteration versus recursion. Consider how your code would have differed if you had made the other choice.
The necessary conditions and procedures needed to accomplish this assignment is given below. Quicksort is an algorithm used to sort data in a fast and efficient manner.
What is the Quicksort?Some rules to follow in the above work are:
A)Choose the initial element of the partition as the pivot.
b) Utilize the same method to select the pivot, but switch to insertion sort as the concluding step for partitions that contain 100 or fewer elements.
Lastly, Utilize the same method of pivot selection, but choose insertion sort for partitions that are of a size equal to or lesser than 50 in order to accomplish the task.
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11. is a feature in Windows that can help you stay in control of your computer by informing you when a program makes a change that requires administrator-level permission.
Answer:
User Account Control (UAC) is a feature of Windows that can help you stay in control of your computer by informing you when a program makes a change that requires administrator-level permission.
what precautions should be taken to make a computer more secure
Answer:
To make a computer more secure
Explanation:
we have following ways :
1)we should have anti virus to protect our computer.
2)we should not play or look computer for a long time because it destroy our files
You have written a program to keep track of the money due to your company. The people in accounting have entered the information from the invoices they have sent out. However, the total from accounting does not agree with a total of a second listing of items that can be billed from the production department.
Using the drop-down menus, complete the sentences about the steps in the debugging process.
As a first step in diagnosing the problem, you will
✔ reproduce the error.
A good place to begin is by examining the
✔ error codes.
Next, you can
✔ troubleshoot
the problem.
This will help you
✔ identify the source of the problem.
Answer:
1. REPRODUCE THE ERROR
2. ERROR CODES
3. TROUBLESHOOT
4. IDENTIFY THE SOURCE OF THE PROBLEM
Explanation:
Debugging a program simply means a sequence of steps which one takes to correct an imperfect program, that is a program that does not run as intended.
A good way to start debugging is to run the code, by running the code, one will be able to determine if the program has a bug. If it has then it produces an error. This error is a good starting point as the error code gives a headway into where the bug may lie.
The error code gives a hint into the type of error causing a program to malfunction which could be a syntax error, logic, Runtime and so on. In some case probable lines where there error lies are spotted and included in the error code produced.
After evaluating the error code, then we troubleshoot the probable causes of the error. By troubleshooting all the possible causes, the source of the error will eventually be identified.
Answer:
As a first step in diagnosing the problem, you will
✔ reproduce the error.
A good place to begin is by examining the
✔ error codes.
Next, you can
✔ troubleshoot
the problem.
This will help you
✔ identify the source of the problem.
Explanation:
Whst addresses do not change if you copy them to a different cell?
The type of addresses that do not change if you copy them to a different cell is Absolute references.
What are absolute references?There are known to be two types of cell references which are: relative and absolute.
Note that Relative and absolute references can work differently if copied and filled to other cells. The Absolute references, is one that often remain constant, no matter where a person may have copied them to.
Therefore, The type of addresses that do not change if you copy them to a different cell is Absolute references.
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how would you feel if the next version of windows becomes SaaS, and why?
If the next version of Windows becomes SaaS, SaaS or Software as a Service is a software delivery model in which software is hosted on the cloud and provided to users over the internet.
Moving Windows to a SaaS model means that Microsoft will continue to deliver updates and new features through a subscription-based service rather than through major new versions of the operating system.
This approach has its own advantages and challenges.
Benefits of the SaaS model for Windows:
Continuous Updates: Users receive regular updates and new features, ensuring they always have access to the latest improvements and security patches.
Flexibility: Subscriptions offer different tiers and plans so users can choose the features they need and customize their experience.
Lower upfront costs: A subscription model could reduce the upfront cost of purchasing Windows, making Windows more accessible to a wider audience.
Improved security: Continuous updates can help address vulnerabilities and security threats more rapidly, enhancing overall system security.
Challenges and concerns with a SaaS model for Windows:
Dependency on internet connectivity: Users would need a stable internet connection to receive updates and access features, which may not be ideal for those in areas with limited or unreliable internet access.
Privacy and data concerns: Users might have concerns about data collection, privacy, and the potential for their usage patterns to be monitored in a subscription-based model.
Cost considerations: While a subscription model may provide flexibility, some users may find it less cost-effective in the long run compared to purchasing a traditional license for Windows.
Compatibility issues: Continuous updates could introduce compatibility challenges for legacy software and hardware that may not be updated or supported in the new model.
Whether you view Windows' migration to a SaaS model as a positive or negative is ultimately determined by your personal perspective and specific implementations by Microsoft.
Cost: SaaS is a subscription-based model, which means users have to pay recurring fees to use the software.
They have to rely on the provider to update, maintain, and improve the software.To sum up, I would feel hesitant about using SaaS if the next version of Windows becomes SaaS.
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A work is automatically in the public domain if it is published on the World Wide Web.
False
True
Answer:
True
Explanation:
Add code to ImageArt to start with your own image and "do things to it" with the goal of making art. You could, for example, change the brightness and blur it. Or you could flip colors around, and create a wavy pattern. In any case, you need to perform at least two transforms in sequence.
Attached an example of how you can modify the code to apply brightness adjustment and blur effects to the image.
What is the explanation for the code?Instruction related to the above code
Make sure to replace "your_image.jpg" with the path to your own image file.
You can experiment with different image processing techniques, such as color manipulation, filtering,edge detection, or any other transformations to create unique artistic effects.
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true or false. Two of the main differences between storage and memory is that storage is usually very expensive, but very fast to access.
Answer:
False. in fact, the two main differences would have to be that memory is violate, meaning that data is lost when the power is turned off and also memory is faster to access than storage.
a student received a poor grade on her last two language art tests. what are the steps she should take for solving this problem
PLEASE HURRYYYY!
Answer:
Study and do practice tests
Which of the following is a predefined procedure that returns a value?
A. Clipboard
B. mode indicator
C. Function
A predefined procedure that returns a value is called a: C. Function
A function can be defined as a set of commands (instructions) which can be run on a computer by calling it by its name. Thus, you can run series of command (instruction) as a function by calling its name.
In Computer programming, a group of organized, reusable series of command (instruction) that are written to instruct a computer for the performance of a particular task is generally referred to as a function.
Generally, a function is characterized by the following;
A function accepts data as an input.A function processes data.It returns a single output or a set of results depending on the code.In conclusion, a function is a predefined procedure that returns a value or series of value and it can be used to perform a single but related action.
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Which of the following types of data can be stored using cloud computing? Check all of the boxes that apply.
photos
movies
documents
music
CORRECT: all 4 are correct
Note tht all the options can be stored using cloud computing. (A -- D)
what is Cloud Computing?
Cloud computing refers to the on-demand availability of computer system resources, particularly data storage and computational power, without the user's direct active supervision. Large clouds frequently have functions spread across numerous locations, each of which is a data center.
A wide range of services rely on cloud computing. This encompasses anything from consumer services like G. mail or the cloud backup of your smartphone's images to services that allow major organizations to host all of their data and operate all of their apps in the cloud.
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Answer: All of them
Explanation:
Explain how cyber security risks are managed in an organization
Answer:
Cyber security risks are managed in an organization by implementing a variety of measures and processes to protect against potential threats and vulnerabilities. This may include implementing firewalls and other security measures to protect against malware and other attacks, regularly updating software and security protocols, training employees on cyber security best practices, and conducting regular audits and assessments to identify and address potential vulnerabilities. Additionally, organizations may have dedicated cyber security teams and policies in place to manage and respond to cyber security incidents and risks. Overall, the goal of managing cyber security risks in an organization is to protect against unauthorized access, data breaches, and other security incidents that could potentially harm the organization or its customers.
Algorithm:
Suppose we have n jobs with priority p1,…,pn and duration d1,…,dn as well as n machines with capacities c1,…,cn.
We want to find a bijection between jobs and machines. Now, we consider a job inefficiently paired, if the capacity of the machine its paired with is lower than the duration of the job itself.
We want to build an algorithm that finds such a bijection such that the sum of the priorities of jobs that are inefficiently paired is minimized.
The algorithm should be O(nlogn)
My ideas so far:
1. Sort machines by capacity O(nlogn)
2. Sort jobs by priority O(nlogn)
3. Going through the stack of jobs one by one (highest priority first): Use binary search (O(logn)) to find the machine with smallest capacity bigger than the jobs duration (if there is one). If there is none, assign the lowest capacity machine, therefore pairing the job inefficiently.
Now my problem is what data structure I can use to delete the machine capacity from the ordered list of capacities in O(logn) while preserving the order of capacities.
Your help would be much appreciated!
To solve the problem efficiently, you can use a min-heap data structure to store the machine capacities.
Here's the algorithm:Sort the jobs by priority in descending order using a comparison-based sorting algorithm, which takes O(nlogn) time.
Sort the machines by capacity in ascending order using a comparison-based sorting algorithm, which also takes O(nlogn) time.
Initialize an empty min-heap to store the machine capacities.
Iterate through the sorted jobs in descending order of priority:
Pop the smallest capacity machine from the min-heap.
If the machine's capacity is greater than or equal to the duration of the current job, pair the job with the machine.
Otherwise, pair the job with the machine having the lowest capacity, which results in an inefficient pairing.
Add the capacity of the inefficiently paired machine back to the min-heap.
Return the total sum of priorities for inefficiently paired jobs.
This algorithm has a time complexity of O(nlogn) since the sorting steps dominate the overall time complexity. The min-heap operations take O(logn) time, resulting in a concise and efficient solution.
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Write a C program that implements matrix multiplication in a multi-threaded environment. Please check the Lab document for pseudo code and details on how to perform matrix multiplication. You may use the following definitions and function prototypes: //N threads pthread_t threads
[N]
; //A, B, C matrices //function prototypes int main(int argc, char *argu[]) //read
N,M
, and L as command-line arguments void initializematrix(int
r
, int
c
, double
∗∗
matrix); //initialize matrix with random values void printmatrix(int
r
, int
c
, double
∗
matrix); //print matrix void *multiplyRow (void* arg) //thread multiply function //creating
N
threads, each multiplying ith row of matrixA by each column of matrixB to produce the row of matrixc for
(i=0;i
pthread_create (\&threads [i], NULL, multiplyRow,
(v 0
⋆
d ⋆
)
(size_t)i); When your program compiles and runs successfully without errors and warnings, upload and demo to the TA for different numbers of N, M, and L. Try
N=1024,M=512
, and
L=1024
. Modify your program in Step 4 to create
N ∗
L
threads, each computing
i th row multiplied by
j th column. When your program compiles and runs successfully without errors and warnings, upload and demo to the TA for large numbers of
N,M
, and
L
. Try N, M, and L each has 1024 value.
The following C program implements matrix multiplication in a multi-threaded environment.
What is multi-threaded?Multi-threading is a programming technique that enables a single process to execute multiple threads of execution concurrently, allowing multiple parts of a program to run simultaneously within a single process.
First, you would need to define your matrix structures and allocate memory for them.
#define MATRIX_SIZE 1000
type def struct {
int rows;
int cols;
double *data;
} matrix;
matrix A = {MATRIX_SIZE, MATRIX_SIZE, malloc(MATRIX_SIZE * MATRIX_SIZE * sizeof(double))};
matrix B = {MATRIX_SIZE, MATRIX_SIZE, malloc(MATRIX_SIZE * MATRIX_SIZE * sizeof(double))};
matrix C = {MATRIX_SIZE, MATRIX_SIZE, malloc(MATRIX_SIZE * MATRIX_SIZE * sizeof(double))};
{ {
double sum = 0.0;
}
C.data[i * C.cols + j] = sum;
}
}
}
pthread_t threads[NUM_THREADS];
typedef struct {
int start_row;
int end_row;
matrix A;
matrix B;
matrix C;
} thread_data;
thread_data data[num;
{
int start_row = i * MATRIX_SIZE / NUM_THREADS;
int end_row = (i + 1) * MATRIX_SIZE / NUM_THREADS;
data[i] = (thread_data) {start_row, end_row, A, B, C};
pthread_create(&threads[i], NULL, &matrix_multiply_thread, &data[i]);
}
for (i = 0; i < num; i++) {
pthread_join(threads[i], NULL);
}
void* matrix_multiply_thread(void* arg) {
thread_data* data = (thread_data*) arg;
for (i = data->start_row; i < data->end_row; i++) {
for (j = 0; j < data->B.cols; j++) {
double sum = 0.0;
for ( k = 0; k < data->A.cols; k++) {
sum += data->A.data[i * data->A.cols + k] * data->B.data[k * data->B.cols + j];
}
data->C.data[i * data->C.cols + j] = sum;
}
}
pthread_exit(NULL);
}
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differences between the first four generations of computers
Answer:
Explanation:
These first generation computer were mainly used for scientific computations. Some examples of these computers are ENIAC, EDVAC, EDSAC, UNIVAC I and IBM 701.
Question 1.
In her bid to convey information on the age structure of patients attending a hospital over the years
to the management of the hospital, a bio-statistician at the hospital constructed the multiple bar chart
shown in Figure 1 for the period 2011-2016. The data for each year (201X, where X = 1,2,..., 6)
has the structure shown in Table 1.
60
50
Proportion of age group reporting (%)
0 10 20 30 40
0-4
Table 1: Age distribution.
Age Group
5
15
45
14
44
59
2 60
2011
0-4
2012
2013
2015
Year
Fig 1: Bar chart showing the proportion of each age
group reporting at the hospital from 2011 to 2016
ZUZZIZUZ3
925
901
4213
☐5-14 O 15-44 45-59 >60
Number of Patients
(n.)
153
76
2014
Size of Age Group
in Catchment Area
(N₁)
4675
5762
7253
635
549
2016
Proportion
(n./N,)x100%
19.78
15.63
58.08
23.93
13.84
The values under n,, N, and (n/N, ) x 100% for the above table are not real, they are
presented here for reasons of clarity.
i. Explain why the use of the proportions (n/N) x 100%, i=1,2,... 5, in the construction of
the multiple bar chart is comparatively better than the use of the number of patients, (n.).
Using proportions (n/N) x 100% in the construction of the multiple bar chart is better than using the number of patients (n) for several reasons, as it allows for easy comparison between different age groups and different years.
What is bar chart?In a bar chart, numerical levels of a classified feature are represented by bars. Values are plotted on one axis of the chart, and levels are plotted on the other.
With the numerous bar chart, proportions (n/N) x 100% are preferable to the patient count (n) for a number of reasons.
It enables simple comparisons between various age groups and years.A better way to portray the underlying population is through proportions.Changes in the total number of patients reporting to the hospital have less of an impact on proportions.Generally, using proportions (n/N) x 100% rather than the total number of patients is a more acceptable and effective way to depict the age distribution of patients visiting a hospital over time (n).
Thus, multiple bar chart is better than using the number.
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