C Programming Basics

1. Which symbol is used to end a statement in C?

: ; .

2. What is the correct syntax to print in C?

print("Hello") printf("Hello"); echo("Hello");

3. Which data type is used for decimal values?

int float char

4. What is the size of int in C (typically)?

2 bytes 4 bytes 8 bytes

5. Which header file is needed for printf()?

math.h stdio.h string.h

6. What does '&' operator do in scanf()?

Logical AND Address of operator Bitwise AND

7. Which loop executes at least once?

for loop while loop do-while loop

8. What is the correct way to declare a pointer?

int ptr; int *ptr; int &ptr;

9. Which function is used to allocate memory dynamically?

alloc() malloc() calloc()

10. What does '\n' represent in C?

New line Null character Tab space