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Linear Search in C

Updated: 2026-07-05

Introduction

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

Definition

Linear Search 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(){
    int a[5]={10,20,30,40,50}, key=30;
    for(int i=0;i<5;i++){ if(a[i]==key){ printf("Found"); return 0; } }
    printf("Not Found");
    return 0;
}

Output

Sample output will appear according to the program and input.

Viva Questions

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

MCQs

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