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Introduction to C Programming

Dharani Tech Edu Hub Introduction to C Programming Introduction Programming is the way we communicate with computers to perform tasks. Among all programming languages, C programming is one of the most powerful and widely used languages. If you are just starting your coding journey, C is the perfect place to begin. It builds a strong foundation and helps you understand how programs actually work behind the scenes. What is C Programming? C is a general-purpose programming language developed by Dennis Ritchie in 1972 at Bell Labs. It is mainly used for: System programming Operating systems Embedded systems Application development 👉 In simple words: C is a language that helps you write instructions for a computer to follow. Why Should You Learn C? Here are some important reasons: Foundation for other languages (C++, Java, Python are based on C concepts) Fast and efficient Used in performance-critical applications Low-level access Helps understand memo...
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Operators in C

Dharani Tech Edu Hub Operators in C Introduction In C programming, operators are used to perform operations on variables and values. They are essential for performing calculations, comparisons, and logical decisions in programs. 👉 In simple terms: Operators are symbols that perform operations on operands (values). What are Operators? An operator is a symbol that tells the compiler to perform a specific operation. 👉 Example: int a = 10 + 5 ; Here: + → operator 10 and 5 → operands Types of Operators in C C provides several types of operators: Arithmetic Operators Relational Operators Logical Operators Assignment Operators Increment & Decrement Operators Bitwise Operators Conditional (Ternary) Operator Special Operators 1. Arithmetic Operators Used for mathematical calculations: Operator Description Example + Addition a + b - Subtraction a - b * Multiplica...
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Input & Output in C

Dharani Tech Edu Hub Input & Output in C Introduction In any programming language, interacting with the user is very important. This is done using Input and Output operations . Output → Displaying data to the user Input → Taking data from the user In C, we mainly use: printf() → for output scanf() → for input Header File Required To use input and output functions, include: #include <stdio.h> printf() Function printf() is used to display output on the screen. Syntax printf ( "message" ); Example #include <stdio.h> int main () { printf ( "Welcome to Dharani Tech Edu Hub!" ); return 0 ; } Output Welcome to Dharani Tech Edu Hub! Using Variables with printf() #include <stdio.h> int main () { int age = 20 ; printf ( "Age = %d" , age ); return 0 ; } Output Age = 20 Format Specifiers Used to display different data types: Data Type Format Specifier ...
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