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Identifiers in C Programming

Updated: 2026-07-05

Introduction

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

Definition

Identifiers 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("Welcome to C Programming");
    return 0;
}

Output

Sample output will appear according to the program and input.

Viva Questions

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

MCQs

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