C Programming Questions and Answers – Sizeof Keyword – 1

This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Sizeof Keyword – 1”.

Pre-requisite for this C MCQ set: Advanced C Programming Video Tutorial.

1. What is the sizeof(char) in a 32-bit C compiler?
a) 1 bit
b) 2 bits
c) 1 Byte
d) 2 Bytes
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2. What will be the output of the following C code?

    #include <stdio.h>
    printf("%d", sizeof('a'));

a) 1
b) 2
c) 4
d) None of the mentioned
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3. Size of an array can be evaluated by __________

(Assuming array declaration int a[10];)

a) sizeof(a);
b) sizeof(*a);
c) sizeof(a[10]);
d) 10 * sizeof(a);
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4. What will be the output of the following C code?

a) 1
b) 2
c) 4
d) 6
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5. Which of the following is not an operator in C?
a) ,
b) sizeof()
c) ~
d) None of the mentioned
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6. Which among the following has the highest precedence?
a) &
b) <<
c) sizeof()
d) &&
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7. What is the sizeof(void) in a 32-bit C?
a) 0
b) 1
c) 2
d) 4
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8. What type of value does sizeof return?
a) char
b) short
c) unsigned int
d) long
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