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C

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Published in: 2D Animation | Acrobatic
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Learn C programming step by step.

Swarup K / Kolkata

12 years of teaching experience

Qualification: MCA/MTech

Teaches: Computer Science, B.Tech Tuition, Oracle RDBMS, IT

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  1. PROGRAMMING
  2. 2. 3. 4. 5. 6. 7. 8. 9. TABLE OF CONTENTS Introduction to C History of C Features of C Structure of a C Program Basic Syntax Data Types, Variables, and Operators Control Statements Applications of C Conclusion
  3. INTRODUCTIONTO C What is C programming? • Definition: C is a high-level, general-purpose programming language that provides low-level access to memory and system processes. • Designed for system programming, it is widely used for developing operating systems. {code}
  4. HISTORY OF C ZOrigin: Developed by Dennis Ritchie at Bell Labs in 1972. Ulnfiuences: Based on the B programming language and influenced by ALGOL a Evolution: K&R C: The original version described in "The C Programming Language" book by Kernighan and Ritchie. • ANSI C: Standardized version by ANSI in 1989. • ISO C: Further standardized by ISO in 1990.
  5. FEATURES OF c QSimpIicity: Simple syntax and easy to learn. QEfficiency: Produces highly efficient programs. QPortabiIity: Code can run on different machines with little or no modification. QRich Library: Provides a rich set of built-in functions. Features OF C Language
  6. Structure o C Program Header main() Variable declaration Body Return *include <stdio.h> int main() int a = 10; Printf(@%d@,a ); return 0;
  7. STRUCTURE O OHeader Files: Include necessary libraries (e.g., #include <stdio.h>). QMain Function: Entry point of the program (int main()). QVariabIe Declarations: Declare variables to store data Statements and Expressions: Perform operations and control program flow. Return Functions: Define reusable code blocks.
  8. #include <stdio.h> // Preprocessor directive // Function declaration int main() { // Variable declaration int a; // Initialization // Function call printf("Value of a is %d\n", a); // Return statement return 0• BASIC SYNTAX UPreprocessor Directive: V#include <stdio.h>:This line includes the Standard Input Output library, which allows the use of functions like printf. OFunction Declaration: Vint main() : This line declares the main function, which is the entry point of any C program. UVariable Declaration: Vint a; : This line declares an integer variable a.
  9. #include <stdio.h> // Preprocessor directive // Function declaration int main() { // Variable declaration int a; // Initialization // Function call printf("Value of a is a); // Return statement return 0; BASIC SYNTAX u Initialization:: V a = 10;:This line initializes the variable a with the value 10. a Return Statement: Vreturn 0;:This line returns 0, indicating that the program has been executed successfully. OCIosing Bracket: V}: This line marks the end of the main function.
  10. OPERATORS Data Types Oint: Integer afloat: Floating-point number Odouble: Double-precision floating-point number achar: Character Variables • int age; • float salary; • char initial;
  11. Operators Arithmetic Operators: + , - Relational Operators: = — , ! — , Logical Operators: &&, Il, . Assignment Operators: = , + Increment/ Decrement Operators: ++, _
  12. CONTROL STATEMENT If Statement: if (condition) { // code u The if statement executes a block of code if a specified condition is true. If-Else Statement: if (condition) { // code } else // code u The if-else statement executes one block of code if the condition is true, and another block if the condition is false.
  13. CONTROL STATEMENT Switch Statement: switch (variable) { case value l: // code break; case value2: // code break; default: // code u The switch statement executes one of many blocks of code based on the value of a variable.
  14. CONTROL STATEMENT For Loop: for (initialization; condition; increment) { // code u The for loop repeats a block of code a specific number of times. While loop: while (condition) { // code u The while loop repeats a block of code as long as a specified condition is true.
  15. CONTROL STATEMENTS Do-while loop: a The do-while loop is similar to the while loop, but it executes the block of code at least once before checking the condition. do { // code to be executed } while (condition);
  16. APPLICATIONS OF C ZOperating Systems: Unix, Linux, Windows uCompiIers: GCC, Clang u Embedded Systems: Microcontrollers, IOT devices aGame Development: Game engines, graphics programming aDatabase Systems: MySQL, Oracle