C Programming · all questions

Operators and Expressions
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Q21

What is the result of the expression (10 + 2) / 2 in C?

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Q22

Which operator is used for inequality comparison in C?

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Q23

What is the result of the expression 2.5 + 2 in C?

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Q24

What is the result of the expression 8 % 4 in C?

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Q25

Which operator is used to perform a bitwise OR operation in C?

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Q26

What is the result of the expression 1 && 0 in C?

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Q27

What is the result of the expression 5 * (1 + 2) - 3 in C?

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Q28

Which operator is used to perform a bitwise XOR operation in C?

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Q29

What is the result of the expression (6 + 3) / 0 in C?

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Q30

What is the result of the expression 5 / 2.0 in C?

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Q31

Which of the following operator takes only integer operands?

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Q32

In an expression involving || operator, evaluation
I.   Will be stopped if one of its components evaluates to false
II.  Will be stopped if one of its components evaluates to true
III. Takes place from right to left
IV.  Takes place from left to right

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Q33

Determine output:

void main()
{
      int i=0, j=1, k=2, m;
      m = i++ || j++ || k++;
      printf("%d %d %d %d", m, i, j, k);
}

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Q34

Determine output:

void main()
{
      int c = - -2; 
      printf("c=%d", c); 
}

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Q35

Determine output:

void main()
{ 
      int i=10; 
      i = !i>14; 
      printf("i=%d", i); 
}

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Q36

In C programming language, which of the following type of operators have the highest precedence

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Q37

What will be the output of the following program?

void main()
{
      int a, b, c, d;
      a = 3;
      b = 5;
      c = a, b;
      d = (a, b);
      printf("c=%d d=%d", c, d);
}

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Q38

Which of the following comments about the ++ operator are correct?

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Q39

What will be the output of this program on an implementation where "int" occupies 2 bytes?

#include <stdio.h>
void main()
{
      int i = 3;
      int j;
      j = sizeof(++i + ++i);
      printf("i=%d j=%d", i, j);
}

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Q40

Which operator has the lowest priority?

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