C Programming :: Loop Control

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What will be output of the following "c" code?
#include<stdio.h>

void main() {
int i= 0;
for(; i++; printf("%d", i));
printf("%d", i);
}

A1 1

B0

Cinfinite loop

D1

ENone of these

Answer: Option D

Explanation:

Here is no explanation for this answer

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What will be output of the following "c" code?
#include<stdio.h>
void main()
{
char ch;
for(ch =1; ch<=255; ch++)
printf("%d %c", ch, ch);
}

Asymbols 1 to 255

Binfinite

CCompilation Error

DNone of these

Answer: Option B

Explanation:

Here is no explanation for this answer

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What will be output of the following "c" code?
#include<stdio.h> 
void main ( )
{
 int x=7;
while(x=5)
  printf("%d", x);
}

A5

B55555…infinite

C5 5 5 5

DCompilation Error

Answer: Option B

Explanation:

Here is no explanation for this answer

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What will be output of the following "c" code?
#include<stdio.h> 
void main ( )
{
int  i =0;
for (i >= 5 && i<= 10; ++i; i <5)
printf ("%u", i);
}

AInfinite

B5 6 7 8 9 10

C5 7 9

DNone of these

Answer: Option A

Explanation:

Here is no explanation for this answer

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What will be the value of sum after the following C program is executed?
#include<stdio.h>
void main()
{
int sum, index
sum= 1;
index= 9;
do { 
index = index - 1;
sum =2* sum;
} while(index > 9);
}

A1

B2

C9

D0.5

Answer: Option B

Explanation:

Here is no explanation for this answer

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What is the final value of sum?
#include <stdio.h>
void main()
{ 
int sum= 1;
for (;sum <=9;)
printf("%d/n" ,++sum);
}

A10

B9

C11

DNone of these

Answer: Option C

Explanation:

Here is no explanation for this answer

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If C is a variable initialized to 1. how many times the following loop will be executed?
while ((c > 0) && (c < 60)) {
loop body
c ++; }

A60

B59

C61

DInfinity

Answer: Option C

Explanation:

Here is no explanation for this answer

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Choose the correct option.

The for statement which can precede a loop to be executed 50 times or till a boolean variable


Afor (i = 0; i < = 50 || found== false; i++)

Bfor (i = 0; i < 50 ||found == true; i++)

Cfor (i = 1; i <= 50 && found == true; i++)

DNone of these

Answer: Option A

Explanation:

Here is no explanation for this answer

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How many times will the following loop be executed?
#include <stdio.h>
C1 = 'a';
while (C1 >= 'a' && C1 <= 'z')
{
C1++;
}

A25

B26

C0

D1

Answer: Option B

Explanation:

Here is no explanation for this answer

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How many times will the following loop be executed if the input data item is 01234?
while (c = getchar ()! = 0) {
}

AInfinitely

BNever

COnce

D5 times

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

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