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Constants in C Programming

Updated: 2026-07-05

Introduction

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

Definition

Constants 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

Copy#include <stdio.h>

int main(){
    printf("Welcome to C Programming");
    return 0;
}

Output

Sample output will appear according to the program and input.

Viva Questions

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

MCQs

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