Day 4 Header File, Functions, Input & Output in C | Complete Beginner Guide | C Programming Tutorial

Описание: Welcome to Tech Challenge!
In this video, we will understand some of the most important basics of C Programming —
Header Files, Functions Overview, Input (scanf) and Output (printf).

If you are starting your C programming journey, this video will help you build a strong foundation.

✅ What You Will Learn in This Video

✔ What are Header Files in C
✔ Why do we use header files
✔ Built-in vs user-defined header files
✔ Basic idea of Functions
✔ How functions work in C
✔ What is Input in C
✔ How scanf() works
✔ Format specifiers
✔ What is Output in C
✔ How printf() works
✔ Practical examples with output

🔥 Topics Covered

Header files overview
stdio.h, conio.h, math.h basics
Functions introduction
Input & Output in C
scanf and printf explanation
Format specifiers
C syntax basics
Beginner-friendly C tutorial

🎯 Who Should Watch This Video

C Programming beginners
School & college students
B.Tech / BCA / B.Sc IT learners
Anyone learning coding from scratch
Exam preparation students

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