C program basic

What is variable

• Variable is a name of memory location

• Variable is a data type

• Variable means function

• Variable is a string

What is the main purpose of programming?

• A) Playing computer games

• B) Giving instructions to the computer

• C) Only web browsing

• D) Writing documents

Which of the following is NOT a programming language?

• A) C

• B) HTML

• C) Python

• D) Java

Which escape sequence is used to insert a horizontal tab?

• A) \n

• B) \b

• C) \t

• D) \r

What does \xhh represent in C programming?

• A) Inserts a tab space

• B) Represents a character using a hexadecimal value

• C) Moves to the next page

• D) Represents a null character

What is the output of a compiler?

• A) An object code file (machine code)

• B) Source code

• C) Assembly language

• D) An error report only

How does an interpreter handle errors?

• A) It displays all errors after execution

• B) It ignores errors and continues execution

• C) It displays errors one by one during execution

• D) It corrects errors automatically

What will be the output of the following

#include <stdio.h>

int main() {

int a = 5;

float b = 2.5;

printf("%d", a + b);

return 0;

}

• A) 7

• B) 7.5

• C) 5.2

• D) Compilation error

What is the correct declaration of a floating-point variable in C?

• A) float price = 99.99;

• B) int price = 99.99;

• C) char price = 99.99;

• D) double price = "99.99";

What is the size of a double data type in

• A) 2 bytes

• B) 4 bytes

• C) 8 bytes

• D) 16 bytes