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Oksi-84 [34.3K]
2 years ago
12

What task do the referential integrity settings prevent?

Computers and Technology
2 answers:
Gnom [1K]2 years ago
7 0

Answer:

It is D

Explanation:

It is right on edge.

Cerrena [4.2K]2 years ago
5 0

Answer:

D

Explanation:

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What are computer virus ? Explain in detail.In your answer include symptoms and prevention (3each)
Elenna [48]

Answer:

Explanation:

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.

Like other types of malware, a virus is deployed by attackers to damage or take control of a computer. Its name comes from the method by which it infects its targets. A biological virus like HIV or the flu cannot reproduce on its own; it needs to hijack a cell to do that work for it, wreaking havoc on the infected organism in the process. Similarly, a computer virus isn't itself a standalone program. It's a code snippet that inserts itself into some other application. When that application runs, it executes the virus code, with results that range from the irritating to the disastrous.

Computer virus symptoms

How can you tell if a virus has slipped past your defenses? With some exceptions, like ransomware, viruses are not keen to alert you that they've compromised your computer. Just as a biological virus wants to keep its host alive so it can continue to use it as a vehicle to reproduce and spread, so too does a computer virus attempt to do its damage in the background while your computer still limps along. But there are ways to tell that you've been infected. Norton has a good list; symptoms include:

Unusually slow performance

Frequent crashes

Unknown or unfamiliar programs that start up when you turn on your computer

Mass emails being sent from your email account

Changes to your homepage or passwords

7 0
2 years ago
Select the correct answer.
Ierofanga [76]

The program which would help Eva convert a Lisp file into machine code by interpreting only a single line of code at a time is: A.  interpreters

Interpreters can be defined as computer software programs that are designed to translate (interpret) a programming language (code) into machine code, especially by interpreting only a single line of code at a time.

Hence, an interpreter executes the instructions that are written in a programming language (code) one after the other (instruction by instruction), before it translate (interpret) the next line of code.

On the other hand, a compiler takes the entire program (code) and interprets them.

In conclusion, an interpreter can help Eva convert a Lisp file into machine code by interpreting only a single line of code at a time.

Rea d more: brainly.com/question/21130620

5 0
2 years ago
How can you ensure that your web pages are compliant with a w3c standard?
miss Akunina [59]
Use a code validation tool.
6 0
3 years ago
Copy the skeleton of code below into your answer. Then in the space indicated, add your own code to prompt the user for two numb
ahrayia [7]

Answer:

import java.util.*;

public class Main

{

public static void main(String[] args) {

    Scanner input = new Scanner(System.in);

   

 System.out.print("Enter the first: ");

 int first = input.nextInt();

 System.out.print("Enter the second: ");

 int second = input.nextInt();

 input.nextLine();

 System.out.print("Enter your name: ");

 String name = input.nextLine();

 

 int difference = Math.abs(second - first);

 

 System.out.println(name + ", the difference is " + difference);

}

}

Explanation:

*The code is in Java.

Create a Scanner object to get input from the user

Ask the user to enter the first, second, and name

Calculate the difference, subtract the second from the first and then get the absolute value of the result by using Math.abs() method

Print the name and the difference as in required format

7 0
2 years ago
Who develop punch card​
monitta

Explanation:

The standard punch card (for computers) was invented and developed by Herman Hollerith. But the idea of punch cards was already long invented, used to control Jacquard looms.

Jacquard looms were looms that used punch cards to control the pattern a loom weaves.

The idea of punch cards in Jacquard looms also influenced Charles Babbage, who decided to use punched cards to control the sequence of computations in his proposed analytical engine. Unlike Hollerith's cards of 50 years later, which were handled in decks like playing cards, Babbage's punched cards were to be strung together.

7 0
2 years ago
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