What will be the output of printf("%d", sizeof('A'));?

• 1

• 2

• 4

• 8

Which keyword is used to prevent modification of a variable?

• static

• const

• volatile

• register

What is the output of the code int a = 5; printf("%d", a++ + ++a);?

• 11

• 12

• 10

• Undefined behavior

Which operator has the highest precedence in C?

• *

• ++

• ()

• []

Which of the following is used to dynamically allocate memory in C?

• alloc()

• calloc()

• malloc()

• Both B and C

What does this code output? int a = 10; int b = a++ + ++a; printf("%d", b);

• 21

• 22

• 23

• 24

Which of the following is not a storage class in C?

• auto

• extern

• volatile

• static

What is the return type of malloc()?

• int

• void

• void *

• float

Which function is used to read a string with spaces?

• scanf()

• gets()

• fgets()

• getch()

Which is correct syntax for a function pointer?

• int *func();

• int (*func)();

• *int func();

• func int*();