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elena55 [62]
2 years ago
7

Select the function of keypunches that were used as one of the earliest input devices. A. It was used to control the cursor on t

he screen. B. It was used for punching holes in the paper at relevant positions for the computer to understand the instruction C. It was used to press the buttons feed information into the computer. D. It was used to insert one character on the paper at a time.​
Computers and Technology
1 answer:
natali 33 [55]2 years ago
3 0

Answer:

Select the function of keypunches that were used as one of the earliest input devices.(1 point) -It was used for punching holes in the paper at relevant ...

Explanation:

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Is a MODEM required for Internet Connectivity ?<br> Yes<br> No
Pie

Answer:

you can connect to the wifi on your device it will say you are connected but the wifi will not be connected to the internet so you will be able to do nothing on it without the modem

Explanation:

4 0
3 years ago
Read 2 more answers
Taking a suitable example in c language explain the of call by value and call by reference concepts.
Degger [83]

Answer: The difference between call by value and call by reference is that in call by value the actual parameters are passed into the function as arguments whereas in call by reference the address of the variables are sent as parameters.

Explanation:

Some examples are:

call by value

#include <stdio.h>  

void swap(int, int);

int main()

{  int a = 10, b= 20;

 swap(a, b);

 printf("a: %d, b: %d\n", a, b);

}  

void swap(int c, int d)

{

 int t;

 t = c; c = d; d = t;

}  

OUTPUT

a: 10, b: 20

The value of a and b remain unchanged as the values are local

//call by reference

#include <stdio.h>

 void swap(int*, int*);

 int main()

{

 int a = 10, b = 20;

 swap(&a, &b);   //passing the address

 printf("a: %d, b: %d\n", a, b);

}

void swap(int *c, int *d)

{

 int t;

 t = *c; *c = *d; *d = t;

}

OUTPUT

a: 20, b: 10

due to dereferencing by the pointer the value  can be changed which is call by reference

8 0
4 years ago
A file extension of. Xlsm indicates what type of workbook.
Vitek1552 [10]

We have that the .xlsm <em>Format </em>is used to save Excel Macro-Enabled Workbook file

<h3>Formats</h3>

Generally file are saved in different formats for easy sorting and application on the operating system.

For instance if a music file is renamed and stored in a different format say .exe the audio file wont be recognised as an audio file and hence refuse to play.

e.g

  • .exe for a windows appication
  • ,mp3 for an audio file
  • .xlsm here is used to save Excel Macro-Enabled Workbook file

For more information on Excel visit

brainly.com/question/19295387

8 0
3 years ago
The Bradshaw family has $200,000 of total assets and $140,000 of liabilities. What is their net worth?
3241004551 [841]

Answer:

$340,000 is there net worth

Explanation:

$200,000+ $140,000 = $340,000

5 0
3 years ago
Create a flowchart that assigns a counselor to a student.
Nataly [62]
Please Help! Unit 6: Lesson 1 - Coding Activity 2
Instructions: Hemachandra numbers (more commonly known as Fibonacci numbers) are found by starting with two numbers then finding the next number by adding the previous two numbers together. The most common starting numbers are 0 and 1 giving the numbers 0, 1, 1, 2, 3, 5...
The main method from this class contains code which is intended to fill an array of length 10 with these Hemachandra numbers, then print the value of the number in the array at the index entered by the user. For example if the user inputs 3 then the program should output 2, while if the user inputs 6 then the program should output 8. Debug this code so it works as intended.

The Code Given:

import java.util.Scanner;

public class U6_L1_Activity_Two{
public static void main(String[] args){
int[h] = new int[10];
0 = h[0];
1 = h[1];
h[2] = h[0] + h[1];
h[3] = h[1] + h[2];
h[4] = h[2] + h[3];
h[5] = h[3] + h[4];
h[6] = h[4] + h[5];
h[7] = h[5] + h[6];
h[8] = h[6] + h[7]
h[9] = h[7] + h[8];
h[10] = h[8] + h[9];
Scanner scan = new Scanner(System.in);
int i = scan.nextInt();
if (i >= 0 && i < 10)
System.out.println(h(i));
}
}
4 0
3 years ago
Read 2 more answers
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