VISVOTSAV 2K25 CODING ROUND 1 - II - IV

What is the size of int in most modern 64-bit GCC compilers?

• 2 bytes

• 4 bytes

• 8 bytes

• Depends on OS

Which of the following is not a valid identifier in C?

• my_var

• _value2

• 2value

• value_

What is the output of the following code? #include int main() { int a = 5, b = 2; printf("%d", a / b); return 0; }

• 2.5

• 2

• 3

• Error

Which keyword is used to exit from a loop immediately?

• continue

• break

• exit

• return

What will sizeof('A') return in C?

• 1

• 2

• 4

• Implementation dependent

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

• auto

• register

• volatile

• static

What will be the output of this program? #include int main() { char str[] = "Hello"; printf("%c", *str); return 0; }

• H

• e

• Hello

• Garbage value

Which operator has the highest precedence in C?

• * (multiplication)

• () (parentheses)

• ++ (increment)

• = (assignment)

Which function is used to read a single character in C?

• scanf()

• getchar()

• gets()

• putchar()

In C, void* is also known as:

• Null pointer

• Wild pointer

• Generic pointer

• Function pointer