123456789101112131415161818102
Explanation:
h
The Python program that prompts the user to enter 20 numbers and calculates the sum of the positive ones is given below.
We have,
The Python program that prompts the user to enter 20 numbers and calculates the sum of the positive ones:
def main():
num_count = 20
positive_sum = 0
for i in range(num_count):
try:
num = float(input(f"Enter number {i+1}: "))
if num > 0:
positive_sum += num
except ValueError:
print("Invalid input! Please enter a valid number.")
print("Sum of positive numbers:", positive_sum)
if __name__ == "__main__":
main()
In this program, we define a function main() that runs the main logic.
It uses a for loop to prompt the user to enter 20 numbers.
Each input is converted to a floating-point number using float(), and if the number is positive (greater than 0), it adds it to the positive_sum variable.
The program then prints the sum of the positive numbers after all inputs are processed.
Thus,
The Python program is given above.
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Select the correct text in the passage.
Which statement is true about depth-first search, or DFS?
1. Depth-first search follows multiple paths at the same depth.
2. It explores all nodes for all solutions.
3. It takes up less space than BFS.
4. The time
complexity for DFS is bm.
The statement that is true about depth-first search, or DFS is that It explores all nodes for all solutions.
Check more about DSF services below.
Does depth first search visit every node?The DFS algorithm is known to be a kind of a recursive algorithm that is said to often make use of the idea of backtracking.
Note that this is one where there is an exhaustive searches of all the nodes by going ahead and also backtracking.
Hence, The statement that is true about depth-first search, or DFS is that It explores all nodes for all solutions.
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____ versions of freeware and open source software are often available to the public for testing.
a. Benchmark.
b. Bug.
c. Alpha.
d. Beta.
Permute the loops in the following function so that it scans the three-dimensional array a with a stride-1 reference pattern.
The result of the permuted loops in the following function so that it scans the three-dimensional array a with a stride-1 reference pattern is given below.
What is the result of the permuted loops described above?Using C, the relevant codes are given below:
{
int i,j,k,sum=0;
for(i=0;i<M;i++)
for(j=0;j<N;j++)
for(k=0;k<N;k++)
sum+=a[i][j][k];
return sum;
}
What is a permuted loop?When more than two loops are reordered, loop permutation (also known as loop reordering) is a generalization of this loop exchange transformation.
A straightforward example of performing loop interchange is shown in the code below.
According to compiler theory, loop optimization is the process of quickening loop execution and lowering loop overheads.
Loop Permutation is crucial for increasing cache performance and maximizing the potential of parallel processing.
The majority of a scientific program's execution time is spent in loops, hence numerous compiler optimization techniques have been created to speed them up.
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Full Question
See attached image.
As an IT technician for your company, you are in the process of setting up several servers in your network. During the process, one of the servers is misconfigured and is, therefore, having trouble synchronizing information with the other servers.
the errors simple yet effective.
A medical data agency is using an application that maintains social security numbers and birth dates in a database to track medical records across multiple offices. The office wants to ensure that the data is protected but has the ability to restore it to its true state when needed. Which of the following de-identification methods should the application adopt
In the case above about the application, the de-identification methods that the agency should adopt is known to be the bar codes.
What is bar code code?A barcode is made up of bars and spaces and it is known to be a machine-readable depiction of numerals and characters.
The use of bar code is one that will make the medical agency to track the medical records easily.
Note that stripes which are barcodes are often used in supermarkets and The de-identification methods that the agency should adopt is known to be the bar codes.
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_____ is designed to prevent illegal distribution of movies, music, and other digital content?
A Digital rights management is designed to prevent illegal distribution of movies, music, and other digital content
What is Digital rights management?Digital rights management (DRM) is the use of technological systems to prevent some users from the use of copyrighted digital materials.
DRM tools are software's that are designed for various website that can help restrict access and to protect the rights of the copyright holder.
It can be used for music, videos and other important programme.
Therefore, A Digital rights management is designed to prevent illegal distribution of movies, music, and other digital content
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Your project requires new software. The IT department is going to research options to identify the best software to work with your project and existing infrastructure. The customer will approve their choice. In your responsibility matrix, which category would you use for the IT department for identifying the software
In your responsibility matrix, a category which you would use for the IT department in identifying the software is responsible.
What is a software?A software can be defined as a set of executable instructions that is typically used to instruct a computer system on how to perform a specific task and proffer solutions to a particular problem.
In your responsibility matrix, a category which you should use for the IT department in identifying the best software to work with your developed project and existing infrastructure is responsible.
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You have been put in charge of S3 buckets for your company. The buckets are separated based on the type of data they are holding and the level of security required for that data. You have several buckets that have data you want to safeguard from accidental deletion. Which configuration will meet this requirement
The configuration that will meet this requirement is the ones whose AWS Region(s) you are to store on your Amazon S3 data.
What are S3 buckets?A bucket is known to be a kind of a container for objects that saves in Amazon S3.
Note that a person can save a lot of number of objects in a bucket and one can be able to have up to 100 buckets in their account.
Note that Amazon S3 is said to be a kind of program that is made to save, protect, and get back data from “buckets” at any point in time from any place on any device.
Therefore, The configuration that will meet this requirement is the ones whose AWS Region(s) you are to store on your Amazon S3 data.
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Detail how you would go about adding reserved words into the problem where you are designing your own lexical analyzer? How would you have to change your code? What would you have to add to let users choose a reserve word word as an identifier?
A compiler's initial phase is lexical analysis. It reads changed source code written in the form of phrases from language preprocessors. By deleting any whitespace or comments in the source code, the lexical analyzer converts these syntaxes into a set of tokens. See how reserved words are added below.
How are reserved words added on the lexical analyzer?When the lexical analyzer reads the target program code, it examines it letter by letter, and when it encounters a whitespace, operator symbol, or special symbol, it determines that a word has been finished.
Using the float floatvalue as an example, while scanning both lexemes until it reaches 'float,' the lexical analyzer is unable to determine whether it is a reserved word float or the details of a keyword float value.
According to the Longest Match Rule, the lexeme scanned should be decided by the longest match among all possible keywords.
The lexical analyzer also uses rule priority, which means that a reserved term, such as a keyword, of a language takes precedence over human input.
That is, if the lexical analyzer detects a lexeme that resembles any existing reserved term, an error should be generated.
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Variables that can take only 2 variables are referred to as which one of the following?
Answer:
Binary variable
Explanation:
These are variables that can only take 2 values.
When a variable has only two possible levels, it is referred to as binary or dichotomous. Most of the time, these variables can be asked in a “yes/no” manner. A binary variable is something like a person's smoking status.
What Variables that can take only 2 variables?Numerical and categorical. Then, each category is divided into two subcategories: discrete or continuous for numeric variables, and nominal or ordinal for categorical variables.
In their investigations, psychologists frequently use several dependent variables. The main justification for this is that it makes it simple for them to quickly and cheaply respond to more study inquiries.
A naming scale is one in which variables are merely “named” or labelled, without regard to their order. Beyond just identifying them, the variables on an ordinal scale have a precise order.
Therefore, Labels, an order, and a specified interval are provided for each of the variable possibilities in an interval scale.
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A project manager has designed a new secure data center and has decided to use multifactor locks on each door to prevent unauthorized access. Compare the following types of locks that the project manager may use to determine which example the facility is utilizing.
The types of locks that the project manager may use to determine which example the facility is utilizing is said to be a lock that needs an employee to be able to use a smart card and also a pin to enter at the same time.
How does multi-factor authentication work?Multi-factor Authentication (MFA) is known to be a kind of an authentication method that needs the user to give two or a lot of verification factors to be able to have access to a given resource e.g. application.
Note that it is said to be a vital aspect of a strong identity and access management (IAM) policy and therefore, the types of locks that the project manager may use to determine which example the facility is utilizing is said to be a lock that needs an employee to be able to use a smart card and also a pin to enter at the same time.
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Match the column.
Description Shortcut key
Move to next cell in row page up
The matchup are:
1) move to next cell in row - tab
2) move to previous cell in row - shift+tab
3) up one screen - page up
4) down one screen - page down
5) move to next worksheet - ctrl + page down
6) move to previous worksheet - ctrl + page up
7) go to first cell in data region - ctrl+ home
8) go to last cell in data region - ctrl + end
What are computer shortcut keys?A computer shortcut is known to be some group of one or a lot of keys that brings about a command in software or in any kind of operating system.
Hence, The matchup are:
1) move to next cell in row - tab
2) move to previous cell in row - shift+tab
3) up one screen - page up
4) down one screen - page down
5) move to next worksheet - ctrl + page down
6) move to previous worksheet - ctrl + page up
7) go to first cell in data region - ctrl+ home
8) go to last cell in data region - ctrl + end
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When charlie attaches a file to an email message, the computer's __________ is responsible for managing his access to the location where the file is stored.
Answer:Operating system
Explanation:
When charlie attaches a file to an email message, the computer's File Management System is responsible for managing his access to the location where the file is stored. Data files are managed using file management software systems, sometimes known as file managers or file tracking software. Even though it is made to manage individual or group files, including records, office documents, and similar data, its capabilities are somewhat limited.
How files are stored on the computer?Folders and drives both contain storage for files and folders. A storage device is a piece of equipment that can keep data safe long after the computer has been turned off. Here are a few illustrations of storage units. A device that reads and writes data to the hard disk is a hard disk drive.
For file maintenance (or management) tasks, a file management system is utilized. It is a kind of software that controls how computer systems' data files are organized. A file management system, which is meant to manage individual or group files, such as unique office papers and records, has limited capabilities.
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Modify the CharacterInfo class shown in Figure 7-3 so that the tested character is retrieved from user input.
The tested character is modified as given below. See the definition of tested character below.
What is characterization testing?Michael Feathers created the phrase "characterization testing."
A characterization test (also known as Golden Master Testing) in computer programming.
It is a method of describing (characterizing) the actual behavior of an existing piece of software and thereby protecting legacy code against unwanted modifications through automated testing.
What is the modified characterInfo class?Run on java, the modified characterInfo class is given as follows:
//import packages
import java.util.Scanner;
//Java class
public class InputCharacterInfo {
//entry point of the program , main method
public static void main(String[] args) {
//creating object of Scanner class
Scanner sc=new Scanner(System.in);
//asking user to enter character
System.out.print("Enter a character : ");
//reading character
char aChar=sc.next().charAt(0);
System.out.println("The character is "+aChar);
if(Character.isUpperCase(aChar))
System.out.println(aChar+" is uppercase");
else
System.out.println(aChar+" is not uppercase");
if(Character.isLowerCase(aChar))
System.out.println(aChar+" is lowercase");
else
System.out.println(aChar+" is not lowercase");
aChar=Character.toLowerCase(aChar);
System.out.println("After toLowerCase(), aChar is "+aChar);
aChar=Character.toUpperCase(aChar);
System.out.println("After toUpperCase(), aChar is "+aChar);
}
}
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What should you point out when demonstrating 2023 murano’s xtronic cvt during full throttle acceleration?.
The thing to point out when demonstrating 2023 murano’s xtronic cvt during full throttle acceleration are:
The fast response to its steering input.The way or the level at which Murano stays when cornering.What is throttle acceleration?Throttle response is known as vehicle responsiveness and it is one that often measures how fast a vehicle's internal combustion engine, can be able to increase its power output in regards to its response to a driver's need for acceleration.
Hence,The thing to point out when demonstrating 2023 murano’s xtronic cvt during full throttle acceleration are:
The fast response to its steering input.The way or the level at which Murano stays when cornering.Learn more about throttle acceleration from
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Why is quantum computing potentially a better fit for weather forecasting than classical computers?.
The reason why quantum computing is potentially a better fit for weather forecasting than classical computers is that It can perform advanced simulations more efficiently.
What is quantum computing?Quantum computing is known to be a kind of technologies that is known to be futurists in nature.
Quantum computers is one that is seen to have the power to quickly process a lot of high numbers of quantities of weather data and carry out analysis that are said to be too complex for classical computers.
Hence, The reason why quantum computing is potentially a better fit for weather forecasting than classical computers is that It can perform advanced simulations more efficiently.
See full question below
Why is quantum computing potentially a better fit for weather forecasting than classical computers?
It can perform advanced simulations more efficiently.
It can be easily installed at locations around the globe.
It can function efficiently when stored at high temperatures.
It can store extensive data for better pattern recognition.
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What will be the available drive space in a raid 5 configured system with 3 250gb hard drives?.
500 GB will be the available drive space in a raid 5 configured system with 3 250gb hard drives.
How many GB is a gigabyte?One gigabyte (GB) is known to be one that is made up of about a 1 billion bytes, or we can say that it is made up of 1 thousand megabytes.
Note that a computer is one that can have 4 GB of RAM as well as 16 GB and a gigabyte (GB) is known to be seen with two hard G's which is said to be the unit of data storage capacity that is known to be made up of roughly about to 1 billion bytes.
Hence, based on the above, 500 GB will be the available drive space in a raid 5 configured system with 3 250gb hard drives.
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PPTP is the preferred vpn protocol.
a. true
b. false
This statement is false. PPTP is not the preferred VPN protocol.
What is a VPN protocol?This can be defined to be the set of rules that helps to ascertain the way that the data routes that connects a computer affects the VPN server. The providers of the VPN help to ensure that there is a stable and a good connection between the protocols for the sake of security.
What is the PPTPThis is the term that stands for the point to point tunneling protocol. This was a VPN protocol that came into use in the year 1995.
Hence we can conclude that the point to point tunneling protocol Is not a preferred VPN protocol.
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In a DTP project, Fiona is looking for a way to make a page layout attractive to readers. Help Fiona pick the correct word to complete the sentence.
You’ll need a(n) _____ to capture the attention of your audience. It can be an illustration, a photograph, a block of bold text, or a quote in a column of white space.
You’ll need a(n) a block of bold text to capture the attention of your audience.
How do you make text bold in pages?First one need to select Format and then Font and then Bold.
Note that by bolding a selected text, it can capture the mind of the people to the page layout.
Hence, You’ll need a(n) a block of bold text to capture the attention of your audience.
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Thunder lightning manufacturing, inc. developed its annual manufacturing overhead budget for its master budget for 2021 as follows: expected annual operating capacity 120,000 direct labor hours variable overhead costs indirect labor$600,000 indirect materials120,000 factory supplies 60,000 total variable 780,000 fixed overhead costs depreciation240,000 supervision120,000 property taxes 96,000 total fixed 456,000 total costs$1,236,000 the relevant range for monthly activity is expected to be between 8,000 and 12,000 direct labor hours. prepare a flexible budget for a monthly activity level of 8,000 and 9,000 direct labor hours.
The flexible budget for a monthly activity level of 8,000 and 9,000 direct labor hours is illustrated below.
How to compute the flexible budget?Particulars Direct labor hour
Variable Overhead cost
Indirect labor. $4000 $4500
Indirect material. $8000. $9000
Factory supplies. $4000. $4500
Total variable cost $52000. $58500
Fixed overhead cost
Depreciation. $20000. $20000
Supervision. $10000. $10000
Property tax $8000. $8000
Total fixed $38000. $38000
Total cost. $90000. $96500
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What is phishing? Answer
Answer:
Phishing is a type of online scam where an attacker sends a fraudulent email purporting to be from reputable companies, designed to deceive a person into revealing sensitive and personal information (card numbers, passwords etc).
Hope this helps.
.Match the following
.
misconfiguration. ............. Antivirus
Spoofing ..............Fake identity
Malware........ ..... No authentication
Infected files ..........Trojan horse
The Match up are:
Malware - Antivirusmisconfiguration - No authenticationSpoofing - Fake identityInfected files -Trojan horseWhat is spoofing?Email spoofing is known to be a form of attack where an attacker is said to makes the 'from address' in an email to look a lot like legitimate.
Hence, The Match up are:
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If a program is written in a messy and inefficient style, it will definitely have compiler errors.
a. true
b. false
If a software program is written in a messy and inefficient style, it will definitely have compiler errors: B. False.
What is a compiler?A compiler can be defined as a software program that is designed and developed to translate the entire source code of program at once, in order to produce an object code.
This ultimately implies that, a compiler translates a software program that is written in a high-level language into low-level language (machine language).
Generally, we can deduce that an error in a software program that is associated with a violation of language (syntax) rules will be detected at compile time.
In conclusion, it is false to state that a software program that is written in a messy and inefficient style will definitely have compiler errors.
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____ applications require that a record be accessed immediately while a client is waiting.
A. Database.
B. Real-time.
C. Sort.
D. Batch.
Answer: Real-time
Explanation:
Which technology keeps track of heart rate during a workout? (3 points) bathroom scale calculator pedometer wrist monitor
The technology keeps track of heart rate during a workout is pedometer. Option C is the answer
What is pedometer?A pedometer is a device,that is used to know how many steps an individual takes during workout.
It is a good step-meter that keeps the heart rate in check especially during exercise.
Therefore, The technology keeps track of heart rate during a workout is pedometer. Option C is the answer
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Q. Imagine you are a fashion designer. Research on how to start your own fashion clothing brand. Write down the process you need to follow to start your own fashion clothing brand. Think about the conditions one has to meet to ensure the quality of the clothes (manufacturing and the cost of clothes). If possible draw the flow chart to describe the steps, which will be taken by the fashion designer (or you) in making a decision.
The process you need to follow to start your own fashion clothing brand are:
Find a need in the market. Create a business plan Find your target audience. Begin designingIdentify a clothing manufacturer. Select a brand name, logo, and market profileSelect a price point for your items.Start the marketing process. Put done some realistic sales and distribution goals. Begin a soft launch, and also search for more investment and partnerships. What is clothing line?A clothing brand or a clothing line is known to be made up of a composition of apparel made for a target audience and sold mostly in retail locations and via stores.
Note that The process you need to follow to start your own fashion clothing brand are:
Find a need in the market. Create a business plan Find your target audience. Begin designingIdentify a clothing manufacturer. Select a brand name, logo, and market profileSelect a price point for your items.Start the marketing process. Put done some realistic sales and distribution goals. Begin a soft launch, and also search for more investment and partnerships.Learn more about clothing brand from
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Consider the following code segment: if(!somethingIsTrue()) return false; else return true; } Which one of the following statements would be an accurate replacement for this code
Based on the code segment given, the accurate replacement for the code would be C) return somethingIsTrue()
What would replace the code accurately?The code is a logical comparison code which means that it compares two or more values and returns a result based on if the comparison yields a true or false result.
The code segment, if(!somethingIsTrue()) return false; else return true; } can be replaced by return somethingIsTrue() where the result would either be true or the value for false which is much like the first code.
Options for this question include:
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Orlando is home to some of the famous icons in the world. We even have a theme park that has an icon for each of the areas/buildings you can visit. Your task is to create an icon for yourself. It should have some sort of meaning behind it. It must use two different loops to create your icon. See the rubric for requirements.
Using the knowledges of python is possible to create a code that can create the icon.
Writting the code in phyton:# header comment: This turtle python create a mathematical pattern that is formed by looping
# and creating circle at same time import turtle
# create a turtle named t
t = turtle. Turtle()
# set up background color, pensize and speed
turtle.Screen().bgcolor("black")
t.pensize(2)
t.speed(0)
# first loop: determines how many times the inner loop should be repeated
for i in range(8):
# loop over each color in the list of available colors
for j , color in enumerate(["red", "magenta", "blue", "cyan", "green", "yellow"", "white"]):
t.pencolor(color)
if j % 2 # if j iss odd, draw a circle with radius 100
t.circle(100)
else: # if j is even, draw a circle with radius 50
t.circle(50)
t.left(10)
t.hideturtle()
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1. (3)2 points possible (graded, results hidden)Suppose that we now find the linear separator that maximizes the margin instead of running the perceptron algorithm.What are the parameters and corresponding to the maximum margin separator
The parameters and corresponding to the maximum margin separator are:
Ө0=0 and Ө=(1/sqrt(2)), respectively.
What is a maximum margin separator?In a two-dimensional space, a Maximal Margin Separator is a hyperplane (in this example, a line) that entirely separates two classes of observations while leaving the largest space between the line and the nearest observation.
The support vectors are the closest observations.
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GoodArray hackerrank solution for a number N, a goodArray is the smallest possible array that consists of only powers of two
Using the knowledge in computational language in python it is possible to write a code that smallest possible array that consists of only powers of two.
Writting the code in python:"public class GoodArray {"
"public static List<Integer> getQueryResults(long N, List<List<Integer>> queries) {"
"List<Integer> res = new ArrayList<>();"
int[][] arr = new int[queries.size()][3];
"List<Integer> goodArray = new ArrayList<>();"
"for (int i = 1; i <= N; i++) {"
"int num = i;"
"while (num % 2 == 0) {"
"goodArray.add(num);"
"num = num / 2;"
}
}
int index = 0;
for (List<Integer> l : queries) {
arr[index][0] = l.get(0);
arr[index][1] = l.get(1);
arr[index][2] = l.get(2);
index++;
}
Collections.sort(goodArray);
"for (int i = 0; i < arr.length; i++) {"
"int[] query = arr[i];"
int l = query[0];
int r = query[1];
int m = query[2];
int prod = 1;
"for (int j = l - 1; j <= r - 1; j++) {"
"prod = (int) (prod * goodArray.get(j)) % m;"
}
res.add(prod);
}
return res;
}
}
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