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bazaltina [42]
3 years ago
12

What is the key benefit of using RAM in a computer?

Computers and Technology
1 answer:
Paul [167]3 years ago
3 0
It allows commonly used instructions to be stored for easier access, but the ram gets deleted when ever you restart the computer.
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This project involves writing a program that encodes and decodes messages. The program should prompt the user to select whether
Lilit [14]

Answer:

See explaination

Explanation:

import java.util.Scanner;

public class EncodeDecodeMessage {

public static String encode(String str) {

String result = "";

char ch;

for(int i = 0; i < str.length(); ++i) {

ch = str.charAt(i);

if(Character.isLowerCase(ch)) {

result += (char)('a' + (25-ch+'a'));

} else if(Character.isUpperCase(ch)) {

result += (char)('A' + (25-ch+'A'));

} else {

result += ch;

}

}

return result;

}

public static String decode(String str) {

return encode(str); // since the scheme is same, we can use encode for decode

}

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

System.out.print("1. Encode, 2. Decode. Enter your choice: ");

int choice = in.nextInt();

in.nextLine();

if(choice == 1) {

System.out.print("Enter sentence to encode: ");

String line = in.nextLine();

System.out.println("Encoded string is: " + encode(line));

} else if(choice == 2) {

System.out.print("Enter sentence to decode: ");

String line = in.nextLine();

System.out.println("Decoded string is: " + decode(line));

}

}

}

8 0
3 years ago
The access code for a? car's security system consists of fivefive digits. the first digit cannot be zerozero and the last digit
jekas [21]
The code of five digits is of the form:

A B C D F

Where A (the first digit)  may be any of 9 digits (because 0 is excluded)

B, C, and D, may be each any of 10 digits (0 - 9)


F (the last digit) may be 0, 2, 4, 6 or 8, i.e. 5 different digits.


So the number of different available codes is:

9 * 10 * 10 * 10 * 5 = 45,000.


Answer: 45,000
4 0
3 years ago
Which type of operating system is usually used in personal computers?
Vitek1552 [10]

Answer:

I think A modern operating system is usually used in personal computers

4 0
3 years ago
What type of encryption is this "1d83ad29cf19ff399445aff3a0da74d9"
bija089 [108]

Due to the length of the hash I'm going to say it's MD5

7 0
3 years ago
Consider an unpipelined or single-stage processor design like the one discussed in slide 6 of lecture 17. At the start of a cycl
pantera1 [17]

Answer:

a. Clock Speed of Processor = 0.5 GHz

b. Cycles per Instruction (CPI) = 1 Clock per Instruction

c. Throughput = 1 billion Instruction per Second

Explanation

Given Data

Time Take to complete the single Cycle = 2000ps = 2000 x 10⁻¹²

To Find

a. Clock Speed of Processor = ?

b. Cycles per Instruction (CPI) = ?

c. Throughput = ?

Solution:

a. Clock Speed of Processor = ?

Clock Speed = 1/Time to complete the cycle

                      = 1/2000 x 10⁻¹²  Hz

                      =  0.0005 x 10¹²  Hz

                      =  0.5 x 10⁹  Hz                             as   10⁹ = 1 Giga   so,

                      = 0.5 GHz

b. Cycles per Instruction (CPI) = ?

It is mentioned that, each instruction should start at the start of the new cycle and completely processed at the end of that cycle so, we can say that Cycles per Instruction (CPI) = 1

for above mentioned processor.

c. Throughput = ?

Throughput = CPI x Clock Speed

where

CPI = 1 cycle per instruction

Clock Speed = 1 billion Instructions per Second

as

Clock Speed = 1 billion Cycles per Second

Throughput = 1 cycle per instruction x 1 billion Cycles per Second

Throughput = 1 billion Instruction per Second

                         

6 0
3 years ago
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