Call by Value vs Call by Reference – Simple Pointer Examples in Tamil

Functions in C – User Defined Functions, Arguments, Return Types

Unions & Enums in C – Where and Why to Use Them?

Strings in C – char Array, gets(), puts(), String Functions (strlen, strcpy, etc.)

2D Arrays in C – Tables, Matrices & Small Mini-Projects

Arrays in C – 1D Array Basics with Practical Examples (Marks, Bills, Readings)

Break, Continue & goto in C – When to Use and When to Avoid?

Loops in C – for, while, do-while Complete Guide (Patterns & Practice)

switch–case in C – Menu Programs & Real Life Examples for Technicians

Control Statements in C – if, if-else, nested if, else-if ladder (Tamil Explanation)

Operators in C – Arithmetic, Relational, Logical & Assignment (with Examples)

Input & Output in C – printf(), scanf() Step-by-Step Guide 2025