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NemiM [27]
3 years ago
8

Analog computers are general purpose computers : true ? or false ?​

Computers and Technology
1 answer:
Anika [276]3 years ago
8 0

Answer:

false

Explanation:

Analog Computer is functioned to do mathematical model of analog computers. This model consists several basic units which are interconnected in order to compute some function.

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Make a program that prints each line of its input that mentions fred. (It shouldn’t do anything for other lines of input.) Does
Vitek1552 [10]

Answer:

See Explaination

Explanation:

This assume that input is a file and is given on command line. Please note this will ot print lines with frederick as thats what I feel question is asking for

#!/usr/bin/perl -w

open(FILE, $ARGV[0]) or die("Could not open the file $ARGV[0]");

while ($line = <FILE>){

if($line=~/\s+fred\s+/)

{

print $line;

}

}

close(FILE);

8 0
3 years ago
1) ( IBADE - 2020)A legislação que regula o uso da Internet no Brasil por meio da previsão de princípios, garantias, direitos e
VARVARA [1.3K]
C) Lei da Regulação Digital :)
6 0
3 years ago
Write code to take a String input from the user, then print the first and last letters of the string on one line. Sample run: En
Ainat [17]
<h2>Answer:</h2>

//import the Scanner class to allow for user input

import java.util.Scanner;

//Begin class definition

public class FirstAndLast{

   //Begin the main method

    public static void main(String []args){

       

       

       //****create an object of the Scanner class.

       //Call the object 'input' to receive user's input

       //from the console.

       Scanner input = new Scanner(System.in);

       

       //****create a prompt to tell the user what to do.

       System.out.println("Enter the string");

       

       //****receive the user's input

       //And store it in a String variable called 'str'

       String str =  input.next();

       

       //****get and print the first character.

       //substring(0, 1) - means get all the characters starting

       //from the lower bound (index 0) up to, but not including the upper

       //bound(index 1).

       //That technically means the first character.

       System.out.print(str.substring(0,1));

       

       //****get and print the last character

       //1. str.length() will return the number of character in the string 'str'.

       //This is also the length of the string

       //2. substring(str.length() - 1) - means get all the characters starting

       // from index that is one less than the length of the string to the last

       // index (since an upper bound is not specified).

       // This technically means the last character.

       System.out.print(str.substring(str.length()-1));

       

       

       

    }  // end of main method

   

} //end of class definition

<h2>Explanation:</h2>

The code has been written in Java and it contains comments explaining important parts of the code. Kindly go through the comments.

The source code and a sample output have also been attached to this response.

To run this program, copy the code in the source code inside a Java IDE or editor and save it as FirstAndLast.java

Download java
<span class="sg-text sg-text--link sg-text--bold sg-text--link-disabled sg-text--blue-dark"> java </span>
4c53f66d970acf88b251b2cf41bcdaf6.png
3 0
3 years ago
One easy way to tell if a cell contains a formula instead of data is to click on the cell and look at the formula bar to
joja [24]

Answer:

E

Explanation:

i know

3 0
2 years ago
Read 2 more answers
Write a program that accepts a number as input, and prints just the decimal portion.
Olegator [25]

<u>Answer:</u>

<em>There are 2 ways to do extract the decimal part: </em>

<u>Explanation:</u>

  • <em>First method using number  </em>

<em>int main() { </em>

<em>  double num = 23.345; </em>

<em>  int intpart = (int)num; </em>

<em>  double decpart = num - intpart; </em>

<em>  printf(""Num = %f, intpart = %d, decpart = %f\n"", num, intpart, decpart); </em>

<em>} </em>

  • <em>Second method using string: </em>

<em>#include <stdlib.h> </em>

<em>int main() </em>

<em>{ </em>

<em>    char* inStr = ""123.4567"";          </em>

<em>    char* endptr;                       </em>

<em>    char* loc = strchr(inStr, '.'); </em>

<em>    long mantissa = strtod(loc+1, endptr); </em>

<em>    long whole = strtod(inStr, endptr);  </em>

<em>    printf(""whole: %d \n"", whole);      </em>

<em>    printf(""mantissa: %d"", mantissa);   </em>

<em>} </em>

8 0
3 years ago
Read 2 more answers
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