Operators and Expressions - C Programming MCQ Questions and Answers Page-6 section-1

51.
Which operator from the following has the lowest priority?

A. Assignment operator

B. Division operator

C. Comma operator

D. Conditional operator

E. Unary-operator

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52.

Identify the correct output of the following code:

void main()
{
   int w=10, x=5, y=3, z=3;
   if( (w < x ) && (y=z++) )
      printf("%d %d %d %d", w, x, y, z);
   else
      printf("%d %d %d %d", w, x, y, z);
}

A. 10 5 4 4

B. 10 5 3 3

C. 10 5 4 3

D. 10 5 3 4

E. 10 5 5 5

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53.
Given b=110 and c=20, what is the value of 'a' after execution of the expression a=b-=c*=5?

A. 450

B. 10

C. 110

D. -10

E. -110

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54.

what will be the output when following code is executed?

void main()
{
   int a=10, b;
   b = a++ + ++a;
   printf("%d %d %d %d", b, a++, a, ++a);
}

A. 12 10 11 13

B. 22 12 12 13

C. 22 11 11 11

D. 22 14 12 13

E. 22 13 14 14

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55.
Which among the following statement is right?

A. sizeof(struct stemp*) > sizeof(union utemp*) > sizeof(char *)

B. sizeof(struct stemp*) < sizeof(union utemp*) < sizeof(char *)

C. sizeof(struct stemp*) = sizeof(union utemp*) = sizeof(char *)

D. the order Depends on the compiler

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56.

What will be the output of the following C code?

#include <stdio.h>
int main()
{
    float a = 2.455555555555;
    printf("%f", a);
}

A. 2.455555

B. 2.455556

C. 2.456

D. 2.46

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57.
Which of the following % operation is invalid?

A. 2 % 4;

B. 2 % 4l;

C. 2 % 4f;

D. Both 2 % 4l; and 2 % 4f;

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58.

In the following C code, the union size is decided by?

union temp
{
    char a;
    int b;
    float c;
};

A. char

B. int

C. float

D. both int and float

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59.
Modulus for float could be achieved by?

A. a % b

B. modulus(a, b);

C. fmod(a, b);

D. mod(a, b);

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60.
Which among the following has the highest precedence?

A. &

B. <<

C. sizeof()

D. &&

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51.
Which operator from the following has the lowest priority?

Answer & Solution

52.
Identify the correct output of the following code:

`void main() { int w=10, x=5, y=3, z=3; if( (w < x ) && (y=z++) ) printf("%d %d %d %d", w, x, y, z); else printf("%d %d %d %d", w, x, y, z); }`

Answer & Solution

53.
Given b=110 and c=20, what is the value of 'a' after execution of the expression a=b-=c*=5?

Answer & Solution

54.
what will be the output when following code is executed?

`void main() { int a=10, b; b = a++ + ++a; printf("%d %d %d %d", b, a++, a, ++a); }`

Answer & Solution

55.
Which among the following statement is right?

Answer & Solution

56.
What will be the output of the following C code?

`#include <stdio.h> int main() { float a = 2.455555555555; printf("%f", a); }`

Answer & Solution

57.
Which of the following % operation is invalid?

Answer & Solution

58.
In the following C code, the union size is decided by?

`union temp { char a; int b; float c; };`

Answer & Solution

59.
Modulus for float could be achieved by?

Answer & Solution

60.
Which among the following has the highest precedence?

Answer & Solution

Operators and Expressions - C Programming MCQ Questions and Answers

51. Which operator from the following has the lowest priority?

Answer & Solution

52. Identify the correct output of the following code: void main() { int w=10, x=5, y=3, z=3; if( (w < x ) && (y=z++) ) printf("%d %d %d %d", w, x, y, z); else printf("%d %d %d %d", w, x, y, z); }

Answer & Solution

53. Given b=110 and c=20, what is the value of 'a' after execution of the expression a=b-=c*=5?

Answer & Solution

54. what will be the output when following code is executed? void main() { int a=10, b; b = a++ + ++a; printf("%d %d %d %d", b, a++, a, ++a); }

Answer & Solution

55. Which among the following statement is right?

Answer & Solution

56. What will be the output of the following C code? #include <stdio.h> int main() { float a = 2.455555555555; printf("%f", a); }

Answer & Solution

57. Which of the following % operation is invalid?

Answer & Solution

58. In the following C code, the union size is decided by? union temp { char a; int b; float c; };

Answer & Solution

59. Modulus for float could be achieved by?

Answer & Solution

60. Which among the following has the highest precedence?

Answer & Solution

51.
Which operator from the following has the lowest priority?

52.
Identify the correct output of the following code:

`void main() { int w=10, x=5, y=3, z=3; if( (w < x ) && (y=z++) ) printf("%d %d %d %d", w, x, y, z); else printf("%d %d %d %d", w, x, y, z); }`

53.
Given b=110 and c=20, what is the value of 'a' after execution of the expression a=b-=c*=5?

54.
what will be the output when following code is executed?

`void main() { int a=10, b; b = a++ + ++a; printf("%d %d %d %d", b, a++, a, ++a); }`

55.
Which among the following statement is right?

56.
What will be the output of the following C code?

`#include <stdio.h> int main() { float a = 2.455555555555; printf("%f", a); }`

57.
Which of the following % operation is invalid?

58.
In the following C code, the union size is decided by?

`union temp { char a; int b; float c; };`

59.
Modulus for float could be achieved by?

60.
Which among the following has the highest precedence?