Compilers Questions and Answers – Cross Compiler – 2

This set of Compilers Multiple Choice Questions & Answers (MCQs) focuses on “Cross Compiler – 2”.

1. If we compile the sam.c file with the command “gcc -o sam sam.c”, then the executable file will be?
a) a.out
b) sam
c) sam.out
d) None of the mentioned
View Answer

2. What will be output of the following code?

#include<stdio.h>
int main()
{
    printf("%d\t",sizeof(6.5));
    printf("%d\t",sizeof(90000));
    printf("%d",sizeof('A'));
    return 0;
}

a) 8 4 2
b) 8 4 2
c) 8 4 4
d) 8 4 3
View Answer

3. What will be output of the following c code? ( according to GCC compiler)

#include<stdio.h>
int main()
{
    signed x;
    unsigned y;
    x = 10 +- 10u + 10u +- 10;
    y = x;
    if(x==y)
         printf("%d %d",x,y);
    else if(x!=y)
         printf("%u  %u",x,y);
    return 0;
}

a) 0 0
b) 65536 -10
c) 0 65536
d) Compilation error
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4. What will be output of the following c code?

#include<stdio.h>
int main()
{
    const int *p;
    int a=10;
    p=&a;
    printf("%d",*p);
    return 0;
}

a) 0
b) 10
c) Garbage Value
d) Any Memory address
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5. What will be output of the following c code?

#include<stdio.h>
int main()
{
    int a= sizeof(signed) +sizeof(unsigned);
    int b=sizeof(const)+sizeof(volatile);
    printf("%d",a+++b);
    return 0;
}

a) 10
b) 9
c) 8
d) Error
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6. Which of the following is integral data type?
a) void
b) char
c) float
d) double
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7. What will be output of the following c code?

#include<stdio.h>
int main()
{
    volatile int a=11;
    printf("%d",a);
    return 0;
}

a) 11
b) Garbage
c) -2
d) Cannot Predict
View Answer

8. What will be output of the following c code?

#include<stdio.h>
const enum Alpha
{
      X,
      Y=5,
      Z
}p=10;
int main()
{
    enum Alpha a,b;
    a= X;
    b= Z;
    printf("%d",a+b-p); 
    return 0; 
}

a) -4
b) -5
c) 10
d) 11
View Answer

Sanfoundry Global Education & Learning Series – Compilers.

To practice all areas of Compilers, here is complete set of 1000+ Multiple Choice Questions and Answers.

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