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Control Instructions Questions And Answers.

Home » Classes » C Programming » Control Instructions » Levels

Exercise :: Control Instructions
1.How many times "PAK-MCQS" is get printed?
#include<stdio.h>
int main()
{
    int x;
    for(x=-1; x<=10; x++)
    {
        if(x < 5)
            continue;
        else
            break;
        printf("PAK-MCQS");
    }
    return 0;
}
A. Infinite times
B. 11 times
C. 0 times
D. 10 times
2.How many times the while loop will get executed if a short int is 2 byte wide?
#include<stdio.h>
int main()
{
    int j=1;
    while(j <= 255)
    {
        printf("%c %d\n", j, j);
        j++;
    }
    return 0;
}
A. 254 times
B. 255 times
C. 256 times
D. Infinite times
3.In mathematics and computer programming, which is the correct order of mathematical operators ?
A. Addition, Subtraction, Multiplication, Division
B. Division, Multiplication, Addition, Subtraction
C. Multiplication, Addition, Division, Subtraction
D. Addition, Division, Modulus, Subtraction
4.Which of the following cannot be checked in a switch-case statement?
A. Character
B. Integer
C. Float
D. enum
5.Point out the error, if any in the for loop.
#include<stdio.h>
int main()
{
    int i=1;
    for(;;)
    {
        printf("%d\n", i++);
        if(i>10)
           break;
    }
    return 0;
}
A. There should be a condition in the for loop
B. The two semicolons should be dropped
C. The for loop should be replaced with while loop.
D. No error