Viruses are programs that migrate through networks and operating systems and attach themselves to various other programs and databases.
A computer virus is defined as a type of program or a malicious software or malware that is designed to attach itself to other programs, and replicate itself to other programs as well as other computers it comes across via networks, and causes changes and damages to other programs, software, or operating system upon executing or opening the virus program by editing or inserting its own code to the other programs it infects with a purpose of destroying the computers or to steal other sensitive, personal, and confidential information from computers it infects to be used for fraud or other criminal purposes.
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technicians only wear basic ppe (hard hat, safety glasses, gloves, safety boots) when troubleshooting instrumentation.
False, when diagnosing instruments, technicians only put on basic PPE (hard helmet, safety glasses, gloves, and boots).
Protection gear, helmets, goggles, and other items of clothing and equipment are referred to as personal protective equipment (PPE) because they are intended to shield the wearer's body from harm or illness. Physical, electrical, thermal, chemical, biohazard, and airborne particle matter threats are all handled with protective gear. Wearing protective gear is permitted for sports and other recreational activities as well as for occupational safety and health purposes. Traditional clothing categories are considered protective clothing, and protective gear includes accessories like padding, guards, shields, or masks, among other things. PPE suits can resemble cleanroom suits in appearance. Personal protective equipment serves to lessen employee exposure to dangers when administrative and engineering controls are not practical or efficient in bringing these risks down to acceptable levels. When there are dangers, PPE is required. PPE has the major drawback of not eliminating the risk at the source, and if the equipment breaks down, employees may be exposed to the risk.
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define a function inspectvalues() with no parameters that reads integers from input until integer -1 is read. the function returns true if all integers read before -1 are positive, otherwise, returns false. ex: if the input is 20 85 30 -1, then the output is: all match
To define a function inspectvalues() with no parameters that reads integers from input until integer -1 is read, check the code give below
What is parameters?Any characteristic that can be used to define or group a certain system is referred to as a parameter (meaning an event, project, object, situation, etc.). To put it another way, a parameter is a part of a system that is important or practical for identifying the system or evaluating its functionality, status, or other features.
The term "parameter" has more specific meanings in some disciplines, including math, computer programming, engineering, statistics, logic, linguistics, and electronic music composition.
It has broader meanings outside of its technical applications, particularly in non-scientific contexts. To define characteristics or boundaries, consider the terms "test parameters" and "game play parameters."
#include <iostream>
using namespace std;
bool InspectVals() {
int input;
// input variable to store the input values
// all positive boolean variable
// if any negative value is entered
// it will be set to false
bool allPositive = true;
// while input is not 1, keep getting input
// and if input is negative, set the
// allPositive flag to false
do
{
cin>>input;
// if input is negative or zero
// since positive numbers are greater than 0
if(input<=0)
allPositive = false;
}
while(input !=1);
// '!=' operator is for 'not equal to'
// NOTE: If there is no numbers before 1
// all positive value will be true
// return flag value
return allPositive; }
int main() {
bool allPositive;
allPositive = InspectVals();
if (allPositive) {
cout << "All match" << endl;
}
else {
cout << "Not all match" << endl;
}
return 0;
}
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write an sql statement to display the warehouseid and the sum of quantityon-hand grouped by warehouseid. name the sum totalitemsonhand and display the results in descending order of totalitemsonhand. (provide the select script statement and screenshot) g
The command used in SQL statement is SELECT, SUM(), and DESC to display the warehouseid and the sum of quantityon-hand grouped by warehouseid and display the result in descending order.
What is command in SQL?Command in SQL is used as instructions to communicate the data in database.
The code is below,
SELECT warehouseid,
SUM(quantityon-hand) AS totalItemsonhand
FROM INVENTORY
GROUP BY warehouseid
ORDER BY totalItemsonhand DESC
First, we select the data that want to be displayed with SELECT command. Then SUM() command will sum all quantityon-hand from inventory in group warehouseid. Displayed result in descending order can be instructed by command DESC.
Since, we want to name it totalitemsonhand, then use AS command to rename the result of SUM() to totalitemsonhand.
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If class has a single constructor that takes an argument, which of the following statements will produce an error? None of them Card top; Card* top; Card top (1); Cand
top()
Card* top
=
new
Card(1)
; All of them What does the following statement do? Deck hand(); Given the following statement: Card* top; What is the value of the variable? A Card object stored on the stack A Card object stored on the heap NULL Undefined Error
The statement "Deck hand();" does not do anything because it is just a function prototype and does not include a function body. This would cause a compile-time error if it is not followed by a function definition.
In the second statement, "Card* top;" declares a variable "top" of type "pointer to Card" and initializes it to the null pointer value. The null pointer value is represented by "nullptr" in C++, which is equivalent to "NULL" in C. The value of the variable is not undefined because it is explicitly initialized to a specific value.
The missing part in the question is shown below.
1) If card class has a single constructor that takes an int argument, which of the following statements will produce an error?
None of them.
A. Card top;
B. Card* top;
C. Card top (1);
D. Card top ( )
E. Card top = n
What does the following statement do?
2) What does the following statement do? Deck hand();
A. Declares a hand function that returns a deck object
B. Nothing
C. Declares a hand constructor for the deck class
D. Error
E. Initialize a deck object on the heap and stores it in hand variable
F. Calls the default constructor of deck and stores the result in hand variable
3) Given the following statement: Card* top; What is the value of the variable?
A. nullptr
B. A Card object stored on the stack
C. A Card object stored on the heap
D. NULL
E. Undefined
F. Error
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For the past few days, a mobile phone has stopped functioning and will not respond to touchscreen input. A soft reset no longer returns functionality.
Which of the following is the BEST step the user can take to fix this problem?
Reset to factory default
Perform a force stop
Remove and replace the battery
Close all running apps
Answer: Reset to factory default
The best step the user can take to fix this problem is to remove and replace the battery. A soft reset may not always fix the problem, and resetting to factory default can be time-consuming and potentially result in the loss of important data. Performing a force stop on the phone's operating system may not fix the problem either, as it is likely a hardware issue. Closing all running apps may help if the problem is software-related, but it is not likely to fix a hardware issue.
If your mobile phone has stopped functioning and will not respond to touchscreen input, the first thing you should try is a soft reset. To do this, simply turn off your phone and then turn it back on again. If this does not fix the problem, the next step you can take is to remove and replace the battery. This will reset the phone and may fix any hardware issues that may be causing the problem. If the problem persists, you may need to take your phone to a repair shop to have it checked by a professional.
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Write a single statement that assigns totalCost with the discounted cost of item 1 and item 2. Use the function DiscountedPrice to determine the discounted cost of each item. Hint: Call DiscountedPrice() twice in an expression. Ex: If the first item is $10 and 50% off, and the second item is $20 and 40% off, then totalCost is $17 (i.e. $5 $12). Discounted Price is already provided: function saleltemCost Discounted Price (originalItemCost, discountedRate) originalItemCost: 0riginal cost of an item in dollars discounted Rate: Discount rate as a decimal value saleltem Cost- original ItemCost (1 discountedRate) end Your Solution Save C Reset MATLAB Documentation E 1 function totalCost Cart Total (itemicost item 1Discount item 2Cost item 2Discount) Assign total cost with the discounted cost of items 1 and 2 totalCost 6 end
If there is only one cow, "cow" is printed, "cowen" if there are two cowen, and "cows" if there are more than two cows.
The switch statement analyzes its argument and goes to the label of the corresponding case or, if none of the cases match, to the default label. Cases have to have fixed integer values.
The block's break statements all jump to its conclusion. Without them, printing all three lines would result from the switch being executed with numberOfCows set to 1. This is helpful in situations where it makes sense to apply the same code to multiple cases:
#include <iostream>
int main()
{
if (std::cout << "Hello World"){
}
// returning zero is implicit in main
}
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after reviewing your pie chart, you realize that it could be improved by resizing the segments. resizing the segments in proportion to each segment's relative value enables you to visually show the different values.
The resizing the segments in proportion to each segment's relative values enables you to visually show the different values is true.
What is pie chart?Pie chart is a diagram in the form of a circle divided in slices to illustrate numerical proportions. Each slice is called a segment that represent the value of numerical proportions.
Often segments are visually the same size, this happens if the difference in value between segments is not too different. Thus, this will cause confusion to the audience. To prevent confusion to audience, we can resize the segments so that each segment visually can tells a different value to audience.
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* TODO * func: has_dups * desc: returns 1 if given array a contains at least one * duplicate value. * example: *
{0,10,−9,10,8}
: no, there are no duplicates * 1 int has_dups(int a [], int
n
) f 1. DO NOT MOVE OR CHANGE THE LINE BELOW! ! #ifndef FUNCS_ONLY int main() 1 ] /I DO NOT MOVE OR CHANGE THE LINE BELOW! ! #endif
The has_dups functions is completed it will return 1 if array contains at least one duplicates and returns 0 if it no contains any duplicates.
How to write the functions of has_dups?This the function of has_dups,
int has_dups(int a[], int n)
{
for (int i = 0; i < n; i++)
{
int x = a[i];
for (int j = 1; j < n; j++)
{
if (a[j] == x)
{
return 1;
}
}
}
return 0;
}
The int a[] in parameter is used as array list.
The int n in parameter is array list size.
Looping formula for i is used to transfer array value in index i to int x.
Looping formula for j is used to transfer array value in index j which is the next index of i. Then, comparing the result of array value in index j to x value.
If statement is used if the comparing result in looping j is true then will return 1, if not then will pass if statement then return 0.
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write a function called checkfactor that takes two arrays of positive numbers, firstnumberrow and secondnumberrow. checkfactor checks if the first entry in firstnumberrow is divisible by the first entry in secondnumberrow, and performs the same operation on the next array elements until all entries have been checked. all the numbers are positive and the number of entries in the arrays are the same. the function should return the identified divisible numbers in two row arrays named firstdivisible and seconddivisible. restrictions: branches or loops should not be used. the code must use the internal mod function.
The checkfactor function, which requires two arrays of positive values, will be;
function checkFactor [firstDivisible, secondDivisible] (firstNumberRow, secondNumberRow)
logical(rem(firstNumberRow,secondNumberRow)); testArray
firstNumberRow = firstDivisible(testArray);
secondNumberRow = secondDivisible(testArray);
mod(3,1);
In coding and programming, an array is a collection of objects, or data, stored in adjacent memory spaces. The function of an array is to store several instances of the same type of data together. In computer science, techniques that enable operations to be applied to a whole set of values at once are referred to as array programming. In the fields of science and engineering, these kinds of solutions are frequently employed. An array is a type of variable that may store numerous values. Use an array, for instance, if you need to hold 100 integers. int data[100];
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legal regulation of assisted reproductive technology is well-defined and serves as a basis to adjudicate ethical disputes.
The majority of current public laws are collected in the 50 titles of the United States Code, which is divided into 50 subject-specific sections.
Why are legal regulations important?The Code of Federal Regulations lists regulations by subject and organizes them by the executive departments and agencies that make them. Looking up Federal Laws, Acts, and Bills. The majority of current public laws are collected in the 50 titles of the United States Code, which is divided into 50 subject-specific sections.
An official rule is defined as a regulation. Within their purviews, the government's administrative agencies are only given limited authority to regulate behavior. Legislative authority to develop and implement the "regulations" has been delegated to these agencies.
Both social and economic regulation are recognized by economists.
Our rights as citizens are protected by laws, which guard against violations on the part of other people, groups, or even the government. Laws also guarantee our general safety.
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Write a 2 integer parameter void function. The parameters are reference parameters. If the first parameter is greater than the second parameter then the function exchanges the values of the two parameters. If the first parameter is not greater than the second parameter then the function does not exchange the values of the parameters.
Answer:
void swap(int& x, int& y) {
if (x > y) {
int temp = x;
x = y;
y = temp;
}
}
Explanation:
Answer:
Here is a Java function that takes two integer parameters and uses reference parameters to exchange their values if the first parameter is greater than the second parameter:
public void exchangeValues(int[] params) {
// check if the first parameter is greater than the second parameter
if (params[0] > params[1]) {
// swap the values of the two parameters
int temp = params[0];
params[0] = params[1];
params[1] = temp;
}
}
To use this function, you can pass an array of two integers as the argument, like this:
int[] params = {5, 3};
exchangeValues(params);
// after calling the function, the array should be [3, 5]
If the first parameter is not greater than the second parameter, the function will not exchange their values. For example, if you call the function with the following array:
int[] params = {3, 5};
exchangeValues(params);
// after calling the function, the array should be [3, 5]
The values of the parameters will remain unchanged because the first parameter (3) is not greater than the second parameter (5).
This type of security transforms a message or data file in such a way that its contents are hidden from unauthorized
readers.
a. Authentication
b. Encryption
c. Ciphertext
d. Decryption
A communication or data file is transformed via encryption so that its contents are obscured from unauthorized readers.
What is meant by Encryption?Information is encoded through the process of encryption. This technique transforms the information's initial plaintext representation into an alternate version known as ciphertext. Only parties with the proper authorization should be able to convert ciphertext to plaintext and gain access to the original data.Although encryption does not by itself stop interference, it does hinder a potential interceptor from understanding the material.An encryption technique typically employs a pseudo-random encryption key produced by an algorithm for technical reasons.Without the key, it is feasible to decrypt the message, but doing so requires a lot of computer power and expertise for a well-designed encryption scheme.With the key provided by the sender to recipients but not to unauthorized users, an authorized recipient can quickly decrypt the communication. Technically speaking, it is the process of changing plaintext that can be read by humans into ciphertext, which is incomprehensible text.To learn more about Encryption refer to:
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You just purchased an iPad tablet device. You want to synchronize your photos, music, email, and contacts from your Windows 7 PC to the device. How can you connect the device to the PC?
USB cable
Wi-Fi wireless connection
Explanation
An iPad can be connected to a Windows 7 PC in three different ways:
- USB cable.
-Wi-Fi wireless connection.
- Bluetooth wireless connection.
The iPad does not support wired Ethernet connections, serial connections, or Firewire connections.
USB cable, Wi-Fi wireless connection. There are three ways an iPad can be connected to a Windows 7 computer: USB cord, Wireless connection through Wi-Fi, A wireless Bluetooth connection. Wired Ethernet connections, serial connections, and Firewire connections are not supported by the iPad.
USB is an acronym for "Universal Serial Bus." Some of the most common cable kinds are USB cable assemblies, which are primarily used to link computers to peripheral devices like cameras, camcorders, printers, scanners, and more. The basic rectangular female USB A-Type port can be found on computers and other electronic devices. USB B-Type: B-type connections are used on the majority of USB 2.0 printer cables, scanner cables, and certain external hard drive cables. They have a modest, square shape. The most recent USB connectors available are USB C-Type. There are 14 different types of connectors, the most recent of which is USB-C. There are also USB 2.0, USB 3.0, USB type A, USB type B, and a number of others. Micro-USB is particularly well known for charging older phones. We'll examine USB 2.0, USB 3.0, and USB-C today. Not all USB chargers, cables, and connectors are created equal. For instance, some wall chargers can deliver more power than others, and the power of a specific USB port on a laptop may differ from the power of the others, or some PCs can charge while they are in sleep mode. You should also think about amps.
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a receiver wants to verify the integrity of a message received from a sender. a hashing value is contained within the digital signature of the sender. which of the following must the receiver use to access the hashing value and verify the integrity of the transmission? answer sender's public key receiver's public key receiver's private key sender's private key
The receiver must use the sender's public key to access the hashing value and verify the integrity of the transmission.
What is sender's public key?
A sender's public key is a cryptographic key that is used in public key encryption. It is used to encrypt data that can only be decrypted by the corresponding private key. Public keys are generated by the sender and shared with their intended recipient. Typically, the public key is shared through a public key infrastructure, such as a certificate authority. This ensures that the public key is valid and trustworthy. Public keys are used for data encryption, digital signatures, and other secure communications.
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the two functions below share a variable named score: def increase(score): return score 1 def decrease(score): return score - 1 group of answer choices true
The two functions below share a variable named score: def increase(score): return score 1 def decrease(score): return score - 1 is false.
What are functions?Functions are defined as a "chunk" of code you can reuse repeatedly rather than writing it out from scratch. Using functions, programmers can break a problem down into smaller, more manageable sections, each of which can complete a particular task.
A function is executed when it is called by name when a program is running. The last line of a function is the first return statement. Parentheses will follow the function name if it is a call to a function.
Thus, the two functions below share a variable named score: def increase(score): return score 1 def decrease(score): return score - 1 is false.
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In what ways does the Web pose great challenges for effective and efficient knowledge discovery through data mining?
The Web is too big for effective data mining, too complex, too dynamic, not specific to a domain, and has everything.
Which four sorts of web are there?Let's examine five common website kinds, together with design guidelines that should be followed and useful starter templates.Internet stores. Online shopping and purchases are made possible by e-commerce websites.Websites for small businesses, blogs, portfolios, and individuals are all examples of websites.A website, often known as a web site, is a collection of Web pages and associated material that is published on at least one Web server and given a shared domain name.Blog
Web-based systems' advantages The capability of web-based apps used to be highly constrained.A web-based system: what is it? ...Lower Development Costs. ... Easy Installation and Maintenance. ... Accessible Anywhere. ...Easy Data Sharing and Collaboration.To learn more about web site refer to:
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Which of the following methods will change the string Python Programming into PYTHON PROGRAMMING? Select one: a title() b. isupper() C. upper() d. capitalize()
C. ' upper() ' is a method in Python that will change the string Python Programming into PYTHON PROGRAMMING.
In Python programming language, ' upper() ' is a built-in function that converts any lowercase letters into uppercase in a string. The ' upper() ' method returns the string in uppercase from the given string. The ' upper() ' method converts all lowercase characters in the string to uppercase; if there are no lowercase characters in the string, it returns the original string already in uppercase.
As in the given question, ' upper() ' will be used through which lowercase letters from the string ' Python Programming ' will be converted to uppercase, and the result will be as ' PYTHON PROGRAMMING '.
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If a class named Student contains a method setID() that takes an int argument
and you write an application in which you create an array of 20 Student objects named
scholar, which of the following statements correctly assigns an ID number to the first
Student scholar?
scholar[0].setID(1234);
scholar[0].setID(1234); correctly assigns an ID number to the first Student scholar.
What is ID number?The governments of many nations use a national identification (ID) number, national identity number, national insurance number, or JMBG/EMBG as a way to track their citizens, permanent residents, and temporary residents for the purposes of work, taxation, government benefits, health care, and other functions related to government.
Different nations have different methods for implementing such a system, but in most cases, when a citizen reaches legal age or is born, they are given an identification number. Such numbers may be given to non-citizens upon entry into the nation or upon issuance of a permit for temporary or indefinite residence.
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dion training has recently installed a new voip telephone service in their offices. the employees are now complaining that their phone calls are being dropped during the middle of their conversations. the company has a single 48-port gigabit ethernet layer 3 switch that supports their desktops, laptops, and voip devices. which of the following should the company do to prevent voip calls from dropping?
I would suggest Jason Dion's training to anyone working in the computer industry because he is a fantastic educator. He provides a range of training, so it might be anything from networking fundamentals.
What results in dropped VoIP calls?VoIP calls that are lost frequently have a shaky WiFi connection to blame. When you use an unprotected public WiFi network, this generally occurs. Check your internet speed if it occurs at your home or place of business, and if it's slow, increase your plan.
Which of the following factors will have an impact on VoIP call quality?Using obsolete routers, cable modems, and firewalls might create problems with VoIP call quality. The VoIP call can be made better by either replacing the equipment or updating the router software.
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Write a function called morseCode that encodes an English phrase into Morse code. The function should also convert a Morse code phrase into English. Use one blank between each Morse-coded letter and three blanks between each Morse-coded word. Pass the function the input string that needs to be encoded or decoded, and a flag that is set to to encode into Morse-code and is set to 1 to decode into English. Use pointers for all strings. This is the International version of Morse code: Character Code Character Code А T U B V w Y Z С D E F G H 1 3 K L M N Digits 1 2 3 4 ZOO 5 6 7 8 9 R S 0 Example Output Enter to encode or 1 to convert: Enter phrase: HELLO WORLD Output: . . . Rubrics 1 point: Use scanf to read input. 1 points: Using the function. 2 points: Encode into Morse code. 2 point: Convert into English. 1 points: Correct output. 3 points: No syntax errors. . .
Three dots are used to represent the letter "S" and three dashes are used to represent the letter "O" in the universal distress signal "SOS."
Based on the length of the signal, Morse code is a way to encode text. Dots and dashes are used to represent the alphabet and integers. A is represented as. -, B as -..., and 1 as, for example, according to a conventional code structure. You can use the following Morse code to express your love: Dah-di-dah-dah dah-dah-dah di-di-dah di-di-dah di-di-dah di-di-dah di-di-dah. The short beep is represented by the word "di," and the lengthy beep is represented by the word "dah."
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Construct a row array plotPoints with 5 values that are spaced linearly from lowValue to highValue. Hint: Use the linspace function.
Ex: If lowValue is 1 and highValue is 10, plotPoints is [1.0000, 3.2500, 5.5000, 7.7500, 10.0000]
Here is an example of how you could use the linspace function to create a row array plotPoints with 5 values spaced linearly from lowValue to highValue:
import numpy as np
lowValue = 0
highValue = 10
numPoints = 5
plotPoints = np.linspace(lowValue, highValue, numPoints)
print(plotPoints)
This will output the following row array:
[ 0. 2.5 5. 7.5 10. ]
To construct a row array plotPoints with 5 values that are spaced linearly from lowValue to highValue, you can use the linspace function from the NumPy library. The linspace function generates a row array of evenly spaced values over a specified interval.
the linspace function includes the lowValue and highValue in the generated array. The number of values in the array is determined by the numPoints argument. In this case, we specified a numPoints value of 5, so the linspace function generates an array with 5 values.
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Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)O The frame has the broadcast address as the destination address.O The destination address is unknown to the switch.O The source address in the frame header is the broadcast address.O The source address in the frame is a multicast address.O The destination address in the frame is a known unicast address.
The frame's destination address is the broadcast address. The switch is unaware of the destination address.
Why does a switch send a frame to every port at once?If a switch's address cache is full, it will flood the frame out to all ports. On networks with plenty of hosts, this is a typical issue. Artificially flooding address tables is less usual.
What happens to a frame when a switch receives one with an unknown destination MAC address?When a switch receives a frame from an unknown destination, it adds the source mac address to its CAM table (a table that associates mac addresses with ports) and sends the frame to every port.
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design and implement an application that creates a histogram that allows you to visually inspect the frequency distribution of a set of values. the program should read in an arbitrary number of integers that are in the range 1 to 100 inclusive; then produce a chart similar to the one below that indicates how many input values fell in the range 1 to 10, 11 to 20, and so on. print one asterisk for each value entered.
A histogram is a representation of statistical data that makes use of rectangles to illustrate the frequency of data items in a series of equal-sized numerical intervals.
Why do histograms differ from bar graphs?While bar charts show categorical variables, histograms show quantitative or numerical data. The majority of the time, a histogram's numerical data will be continuous (having infinite values). It would be ridiculous to try and show all possible values of a continuous variable along an axis.
What can you infer from a histogram?A histogram is a graph that use rectangles to display the frequency of numerical data. The distribution frequency of a variable is represented by the height of a rectangle (the vertical axis) (the amount, or how often that variable appears).
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the process of changing cells in a worksheet to see how those changes affect the outcome of formulas is known as .
What-If Analysis is the practice of altering cells in some kind of a document to see how such changes impact the results of calculations.
What use do worksheets serve?Worksheets are often loose sheets of paper with exercises or questions on them for students to fill out and record their responses. It are utilised in most courses to some extent, as well as two main varieties in the math education where they are often used.
What makes worksheets crucial?Worksheets are a useful tool in our continual attempts to get pupils to think during class. Students' learning outside of class might be guided by worksheets utilized in class.
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which of the following project management software is used to organize a flow of team activities and manage lists of tasks? A) SAP B) Microsoft SkyDrive
The project management software that is used to organize a flow of team activities and manage lists of tasks is D) Oracle Primavera.
Oracle Primavera is a project management software solution that helps to globally prioritize, plan, manage, and execute programs, projects, and portfolios. Oracle Primavera is designed in such a way that can handle small and large projects in a number of diverse industries, such as information technology, construction, manufacturing, and energy.
Oracle Primavera is called a business intelligence software that offers a central repository for all portfolio, project, and resource data.
"
Question with missing options is as follows:
which of the following project management software is used to organize a flow of team activities and manage lists of tasks? A) SAP B) Microsoft SkyDrive C) G-oogle drive D) Oracle Primavera
"
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5.4.1: iterating through an array. 1) complete the code to print all items for the given array, using the above common loop structure. int[] dayslist
A collection of variables of similar types that go by the same name is known as an array. In Java, arrays operate differently from how they do in C/C++.
Here, we've discussed how to use Java's for loop and foreach loop to display an array's elements.
The loop structure can be written succinctly using the for-loop syntax. A for statement provides a shorter, simpler to debug looping structure by consuming the initialization, condition, and increment/decrement in one line.
Initialization: Performed before the code block is run. You can utilize a variable that has already been declared or declare a variable that will only be used in the loop.
Testing the loop's exit condition and returning a boolean result. Before running the loop statements, the test condition is examined.
Statement execution: The statements in the body of the loop are carried out when the condition has been evaluated as true.
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how digital technology affect society
The ways that digital technology affect society are:
Increased connectivity: Digital technology has made it easier for people to connect with each other and access information from anywhere in the world. Changes in the way we work: Digital technology has changed the way many people work, with more and more people able to work remotely or flexible hours thanks to advances in communication and collaboration tools.How digital technology influence societyDigital technology has had a significant impact on society in many ways. Some of the ways that digital technology has affected society include:
Greater access to information: Digital technology has made it easier for people to access a wide range of information and knowledge. This has led to an increase in self-education and lifelong learning, as well as the democratization of information.
Changes in the way we communicate: Digital technology has changed the way we communicate with each other, with the rise of social media and messaging apps making it easier for people to stay in touch with each other.
Therefore, digital technology has had a profound impact on society, transforming the way we live, work, and interact with each other.
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Which of the following statements is (are) incorrect for firewalls?
A firewall is a system of user identification and authentication that prevents unauthorized users from gaining access to network resources.
Firewall methodologies can be divided into packet filtering, circuit level gateways, and application level gateways. Packet filtering examines packets of data as they pass through the firewall according to rules that have been established.
Application firewall is another name for network firewall. They perform the same function.
IV. No statement above is correct.
a. I only is correct.
b. III only is correct.
c. IV only is correct.
d. II only is correct.
The answer is option b, Only III is correct.
What is Firewall?A type of firewall called an application firewall regulates the input and output as well as system calls made by an application or service. It works by keeping track of communications and preventing them depending on a preset policy, usually with a number of predefined rule sets to pick from.
The application layer of the OSI model, which is the highest operational layer and where it derives its name, is the uppermost operating layer that the application firewall can regulate communications up to. Network-based and host-based application firewalls are the two main categories.
Network-based application firewalls can comprehend certain programs and protocols like File Transfer Protocol (FTP), Domain Name System (DNS), or Hypertext Transfer Protocol and work at the application layer of a TCP/IP stack (HTTP).
Hence, The answer is option b, Only III is correct.
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) Write algorithms for UNION( ) and MAKE-SET( ) operations of Disjoint-Set Forest data
structure assuming union-by-rank and the path-compression heuristics
Answer:
Explanation: UNION(x, y):
Find the roots of the trees that contain x and y. Let these roots be rootX and rootY, respectively.
If rootX and rootY are the same, return (already in the same set).
Compare the ranks of rootX and rootY.
If rootX has a higher rank than rootY, set rootY as a child of rootX.
If rootY has a higher rank than rootX, set rootX as a child of rootY.
If the ranks of rootX and rootY are the same, set rootY as a child of rootX and increase the rank of rootX by 1.
MAKE-SET(x):
Create a new set with x as its only element and assign it a rank of 0.
Set the parent of x to be x itself (i.e., x is the root of the set).
Note: The rank of a set represents the height of its tree in the disjoint-set forest, and the path-compression heuristics is a technique used to optimize the performance of the union and find operations by flattening the structure of the trees in the disjoint-set forest.
string customerid 2. string productname 3. double price 4. int qtypurchased 5. double taxrate write a complete program that: 1. uses a user defined function: void openfile(ifstream
And an open file is opened for reading-only purposes using the ifstream object. The open() function, a component of the fstream, ifstream, and ofstream objects, has the following syntax.
open(): This method makes it possible to create and open files in a variety of ways, including binary mode, input operations, and output operations. close(): This method aids in terminating an active file. The path option points to the file's pathname. The file descriptor for the named file that is the lowest file descriptor not open for that process must be returned by the open() method. Two methods can be used to open files. them being: use the class's constructor function. use the class's member function open. Opening a file requires situating the external media, determining its availability, associating the file with a data set, and providing the necessary operating system resources.
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