DES is a commonly used symmetric encryption
A) is a commonly used symmetric encryption
<u>Explanation:</u>
DES stands for Data Encryption Standard. It is a symmetric key algorithm and is used for encrypting electronic data. It was developed in 1975. DES is one of the oldest encryption standards to be used in the industry.
The algorithm takes 16 rounds of permutations in order to encrypt data. But now, with the advent of technology, as new algorithms have been designed and put in use, DES is less preferable.
In the process of key generation, some keys generated sometimes turn out to be weak and hence are prone to attacks. If not for the weak keys generation, DES works perfectly fine and is an effective algorithm to encrypt data.
to troubleshoot an output component or input device, the first step is to activate the input device that controls the first output component It is TRUE statement.
<h3>What does troubleshooting mean?</h3>
The act of discovering, planning, and resolving a problem, mistake, or malfunction in a software or computer system is known as troubleshooting. When a computer or program becomes broken, unresponsive, or behaves abnormally, it can be repaired and restored.
Troubleshooting is the final stage of a complicated process. In order to be able to talk about something, we must bear that the solution was positive and that the whole problem was not positive. There are many types of conflicts and many ways to resolve them.
Learn more about input and output devices:brainly.com/question/17964714
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Answer:
backup; recovery
Explanation:
Backup and recovery refers to the process of backing up data in case of a loss and setting up systems that allow that data recovery due to data loss. Backing up data requires copying and archiving computer data, so that it is accessible in case of data deletion or corruption. Data from an earlier time may only be recovered if it has been backed up.
Data backup is a form of disaster recovery and should be part of any disaster recovery plan.In some cases, backing up or restoring entire systems, or the enterprise, after an event or disaster can take days
Answer:
import java.util.Scanner;
public class ss11{
public static void main (String[]args) {
Scanner keyboard = new Scanner (System.in)
String a1, a2, a3, a4, a5;
int i1, i2, i3, i4, i5;
System.out.println("Enter a four bit binary number:");
a1= keyboard.next();
a2= a1.substring(0,1);
a3= a1.substring(1,2);
a4= a1.substring(2,3);
a5= a1.substring(3,4);
i1 = Integer.parseInt(a2);
i2 = Integer.parseInt(a3);
i3 = Integer.parseInt(a4);
i4 = Integer.parseInt(a5);
i1= i1 * 8;
i2= i1 * 4;
i3= i1 * 2;
i4= i1 * 1;
i5= i1+i2+i3+i4;
System.out.println("The converted decimal number is: +i5);
}
}
Explanation:
