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Hello World Program in C

Updated: 2026-07-05

Introduction

Hello World Program in C is a complete beginner-friendly tutorial on Hello World Program in C. It is designed for BTech, diploma, viva, practical exams and placement preparation.

Definition

Hello World Program in C is an important concept of C programming that helps students understand programming logic, syntax, memory and problem solving.

Real Life Example

Real-life example: A C program works like a recipe. Each statement gives one clear instruction to the computer.

C Program Example

#include <stdio.h>

int main(){
    printf("Hello World");
    return 0;
}

Output

Sample output will appear according to the program and input.

Viva Questions

  1. Define Hello World Program in C.
  2. Give one example of Hello World Program in C.
  3. What are common mistakes in Hello World Program in C?

MCQs

  1. Hello World Program in C belongs to which programming language? Answer: C Programming
  2. Which function is the entry point of a C program? Answer: main()