[Solved] What will be the output of the program? #include<stdio.h> int main() { float *p; printf("%d\n", sizeof(p)); return 0; } - Programming - C Programming - Floating Point Issues - Aptitude Exam Question and Answer

Floating Point Issues

Q1:

What will be the output of the program?

#include<stdio.h>
int main()
{
    float *p;
    printf("%d\n", sizeof(p));
    return 0;
}

A 2 in 16bit compiler, 4 in 32bit compiler

B 4 in 16bit compiler, 2 in 32bit compiler

C 4 in 16bit compiler, 4 in 32bit compiler

D 2 in 16bit compiler, 2 in 32bit compiler

ANS:A - 2 in 16bit compiler, 4 in 32bit compiler

sizeof(x) returns the size of x in bytes.
float *p is a pointer to a float. In 16 bit compiler, the pointer size is always 2 bytes.
In 32 bit compiler, the pointer size is always 4 bytes.

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