Operators and Expressions - C Programming MCQ Questions and Answers Page-9 section-1

81.

What will be the output of the following C code?

#include <stdio.h>
(sizeof double = 8, float = 4, void = 1)
#define PI 3.14
int main()
{
    printf("%d", sizeof(PI));
}

A. Output is 8

B. Output is 4

C. Output is 1

D. Error, we can't use sizeof on macro-definitions

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82.

What will be the output of the following C code?

#include <stdio.h>
main()
{
    int a = 1;
    printf("size of a is %d, ", sizeof(++a));
    printf("value of a is %d", a);
};

A. size of a is 4, value of a is 1

B. size of a is 4, value of a is 2

C. size of a is 2, value of a is 2

D. size of a is 2, value of a is 1

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83.
Which of the following is not an operator in C?

A. ,

B. sizeof()

C. ~

D. None of the mentioned

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84.
%lf is used to display?

A. float

B. long float

C. double

D. all of the mentioned

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85.

Which among the following is never possible in C when members in a structure are the same as that in a union?

//Let P be a structure
//Let Q be a union

A. sizeof(P) is greater than sizeof(Q)

B. sizeof(P) is equal to sizeof(Q)

C. sizeof(P) is less than to sizeof(Q)

D. none of the mentioned

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81.
What will be the output of the following C code?

`#include <stdio.h> (sizeof double = 8, float = 4, void = 1) #define PI 3.14 int main() { printf("%d", sizeof(PI)); }`

Answer & Solution

82.
What will be the output of the following C code?

`#include <stdio.h> main() { int a = 1; printf("size of a is %d, ", sizeof(++a)); printf("value of a is %d", a); };`

Answer & Solution

83.
Which of the following is not an operator in C?

Answer & Solution

84.
%lf is used to display?

Answer & Solution

85.
Which among the following is never possible in C when members in a structure are the same as that in a union?

`//Let P be a structure //Let Q be a union`

Answer & Solution

Operators and Expressions - C Programming MCQ Questions and Answers

81. What will be the output of the following C code? #include <stdio.h> (sizeof double = 8, float = 4, void = 1) #define PI 3.14 int main() { printf("%d", sizeof(PI)); }

Answer & Solution

82. What will be the output of the following C code? #include <stdio.h> main() { int a = 1; printf("size of a is %d, ", sizeof(++a)); printf("value of a is %d", a); };

Answer & Solution

83. Which of the following is not an operator in C?

Answer & Solution

84. %lf is used to display?

Answer & Solution

85. Which among the following is never possible in C when members in a structure are the same as that in a union? //Let P be a structure //Let Q be a union

Answer & Solution

81.
What will be the output of the following C code?

`#include <stdio.h> (sizeof double = 8, float = 4, void = 1) #define PI 3.14 int main() { printf("%d", sizeof(PI)); }`

82.
What will be the output of the following C code?

`#include <stdio.h> main() { int a = 1; printf("size of a is %d, ", sizeof(++a)); printf("value of a is %d", a); };`

83.
Which of the following is not an operator in C?

84.
%lf is used to display?

85.
Which among the following is never possible in C when members in a structure are the same as that in a union?

`//Let P be a structure //Let Q be a union`