Anna University, Chennai
Department of Electrical and Electronics Engineering
Subject Code: OCS752
Subject Name: Introduction to C Programming
Lecture Notes - All Units
Unit 1: Introduction to Programming and C Language Basics
1.1 Introduction to Programming
Basics of Programming: Algorithms, Flowcharts, Pseudocode
Evolution of Programming Languages
Importance of C Programming in Electrical and Electronics Engineering
1.2 Basics of C Programming
History and Features of C Language
Structure of a C Program: Header Files, Main Function, Statements, Comments
Data Types: Integers, Floating-Point Numbers, Characters, Void
1.3 Operators and Expressions
Arithmetic Operators: Addition, Subtraction, Multiplication, Division
Relational and Logical Operators
Assignment Operators and Compound Assignment
Unit 2: Control Structures in C
2.1 Decision Making in C
If Statement, If-Else Statement, Nested If-Else
Switch Statement and Break Statement
2.2 Looping Constructs
While Loop, Do-While Loop, For Loop
Nested Loops and Loop Control Statements: Break and Continue
Unit 3: Functions and Arrays
3.1 Functions in C
Function Declaration, Definition, and Invocation
Function Prototypes and Header Files
Passing Arguments to Functions: Call by Value, Call by Reference
3.2 Arrays in C
Declaration and Initialization of Arrays
Accessing Array Elements and Array Manipulation
Multi-dimensional Arrays and Array as Function Arguments
Unit 4: Pointers and Strings
4.1 Pointers in C
Introduction to Pointers and Memory Addresses
Pointer Arithmetic and Pointer Operations
Pointers and Arrays Relationship
4.2 Strings in C
String Declaration, Initialization, and Manipulation
Library Functions for String Handling
String Input and Output Functions
Unit 5: File Handling and Advanced Concepts
5.1 File Handling in C
File Operations: Opening, Closing, Reading, Writing, Appending
File Input and Output Functions: fopen(), fclose(), fread(), fwrite()
5.2 Dynamic Memory Allocation
Dynamic Memory Allocation Functions: malloc(), calloc(), realloc(), free()
Memory Management and Memory Leaks
5.3 Advanced Concepts
Structures and Unions
Preprocessor Directives and Macros
Introduction to Data Structures in C
These lecture notes provide comprehensive coverage of Introduction to C Programming, tailored for students in the Department of Electrical and Electronics Engineering at Anna University, Chennai. With a total of 61 pages in PDF format, these notes include detailed explanations, code snippets, practical examples, and exercises to facilitate understanding and application. Students will gain proficiency in basic and advanced C programming concepts, preparing them for further studies and practical application in electrical and electronics engineering projects.
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