Structured Programming in C

Structured programming in C is a programming approach that organizes code into clear, logical blocks using functions, loops, and conditionals. It focuses on improving readability, maintainability, and efficiency of programs. By breaking a problem into smaller modules, it becomes easier to develop and debug. This approach avoids the use of complex jumps like goto and promotes better program design. Structured programming is a fundamental concept for writing clean and reliable C programs.

Course Content

Chapter 1-Basic Concepts and History of C
Basic computer concepts include understanding hardware and software, which are the core components of a computer system. Hardware refers to the physical parts like keyboard, processor, and storage devices, while software consists of programs that control and operate the system. Software is further divided into system software and application software. Operating systems manage resources and act as a bridge between user and hardware. Computers use different types of languages, including low-level and high-level languages, to execute instructions. The C programming language was developed in the early 1970s by Dennis Ritchie at Bell Laboratories. It evolved from earlier languages like B and BCPL. C was created to develop the UNIX operating system, making it powerful and efficient for system programming. Over time, it gained popularity due to its simplicity, flexibility, and performance. C became the foundation for many modern programming languages like C++, Java, and Python, and remains widely used today.

Basic Concepts of C Programming Explained for Beginners

05:48
History of C Programming

07:12
Exercise Basic of C

06:14
Exercise History of C

07:26

Chapter 2-Data Types, Variable and Constants
Data types in C define the type of data a variable can store, such as integers, floating-point numbers, characters, and more. Variables are named memory locations used to store data values during program execution. Each variable must be declared with a specific data type before use. Common data types include int, float, char, and double. Proper use of data types and variables helps in efficient memory usage and accurate program execution.

Chapter 3-Operators and Expressions
Operators in C are symbols used to perform operations on variables and values, such as arithmetic, relational, logical, and assignment operators. Expressions are combinations of variables, constants, and operators that produce a result. They are used to perform calculations and make decisions in programs. Proper use of operators and expressions helps in writing efficient and meaningful code. Understanding operator precedence is important to ensure correct evaluation of expressions.

Chapter 4 – Control Statements
Control statements in C are used to control the flow of program execution. They allow decision-making and repetition of tasks based on conditions. There are three main types: selection, iteration, and jump statements. Selection statements include if, if-else, and switch. Iteration statements include for, while, and do-while loops. Jump statements include break, continue, and goto. These statements help in executing code logically and efficiently. They reduce complexity by avoiding repetitive code. Control statements are essential for building dynamic programs. They form the backbone of program logic in C.

Control Statements ( Types, if, if else…, nested if )

07:56
Control Statements ( while, do while,for, nested for, switch… case)

06:57
Exercise Control Statements (if.. switch)

06:08
Exercise Control Statements (Looping)

06:01
Exercise Control Statements (Ecological Simulation)

05:55
Exercise Control Statements (Business Simulation)

04:24
Exercise Control Statements (Loop-based solution)

02:47
Exercise Control Statements (Switch case mapping)

06:02
Exercise Control Statements (Hex support without functions)

05:41

Chapter 5 – Console I/O Statement
Console I/O in C refers to input and output operations performed through the console. It allows users to interact with programs by entering and displaying data. Common input functions include scanf() and getchar(). Output functions include printf() and putchar(). These functions are defined in the standard input-output library . Console I/O is essential for basic program interaction. It helps in reading user input and displaying results. Proper formatting improves readability of output. Error handling can improve input reliability. Console I/O forms the foundation of user interaction in C programs.

Chapter 6 – Array
An array is a group of same-type data items stored in continuous memory locations. It is used to store multiple values in one variable. Array elements are accessed using an index starting from 0. Arrays can be one-dimensional or multi-dimensional. They make data storage easy and efficient but have a fixed size.

Chapter 7 – Function
A function is a block of code used to perform a specific task. It helps divide a program into smaller parts, making it easier to understand, reuse, and maintain. Functions can take inputs called arguments and may return a value. Common types are library functions and user-defined functions.

Chapter 8 – Pointers
A pointer in C is a variable that stores the memory address of another variable. Instead of holding a value directly, a pointer points to the location where the value is stored.

Chapter 9 – Structure
structure in C language is a user-defined data type that allows you to group different types of data under one name. It is useful when you want to store related information (like a student’s details) in a single unit.

Chapter 10 – File Handling
File Handling in C is used to store, read, and manage data in files (instead of just using memory). It helps in saving data permanently so it can be used later. Common operations: Create a file Open a file Read data from a file Write data to a file Close the file

Chapter 11 – C Preprocessor
The C Preprocessor is a tool that processes your code before the actual compilation starts. It handles special commands called preprocessor directives, which begin with #.

A course by

Kannan Madhesan

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Structured Programming in C

Course Content

Basic Concepts of C Programming Explained for Beginners

History of C Programming

Exercise Basic of C

Exercise History of C

Data Types and Constants

Variables, Keywords & Storage Classes in C

Exercise Data Types, Variables & Constants

Operators in C Part 1 | Types & Arithmetic

Operators in C Part 2 (Advanced Concepts)

Exercise Operators & Expressions in C

Exercise C Operators Concepts

Control Statements ( Types, if, if else…, nested if )

Control Statements ( while, do while,for, nested for, switch… case)

Exercise Control Statements (if.. switch)

Exercise Control Statements (Looping)

Exercise Control Statements (Ecological Simulation)

Exercise Control Statements (Business Simulation)

Exercise Control Statements (Loop-based solution)

Exercise Control Statements (Switch case mapping)

Exercise Control Statements (Hex support without functions)

Console I/O Statement

Exercise Console I/O Statement

Array

Exercise Array

Functions in C | Basics & Types

C Functions: Pointers & Recursion

Exercise Function

Chapter 8 – Pointers A pointer in C is a variable that stores the memory address of another variable. Instead of holding a value directly, a pointer points to the location where the value is stored.

C Pointer Basics & Addressing

Advanced Pointers in C

Exercise 1 Pointers

Exercise 2 Pointers

Chapter 9 – Structure structure in C language is a user-defined data type that allows you to group different types of data under one name. It is useful when you want to store related information (like a student’s details) in a single unit.

Structure (Basics , Memory mapping, array of structure)

Structure, Union, Enum & Typedef in C

Exercise Structure Part-1

Exercise Structure Part-2

Chapter 10 – File Handling File Handling in C is used to store, read, and manage data in files (instead of just using memory). It helps in saving data permanently so it can be used later. Common operations: Create a file Open a file Read data from a file Write data to a file Close the file

Disk I/O – Part 1

Disk I/O – Part 2

Exercise File Handling

Chapter 11 – C Preprocessor The C Preprocessor is a tool that processes your code before the actual compilation starts. It handles special commands called preprocessor directives, which begin with #.

Preprocessor

Exercise Preprocessor

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Chapter 8 – Pointers
A pointer in C is a variable that stores the memory address of another variable. Instead of holding a value directly, a pointer points to the location where the value is stored.

Chapter 9 – Structure
structure in C language is a user-defined data type that allows you to group different types of data under one name. It is useful when you want to store related information (like a student’s details) in a single unit.

Chapter 10 – File Handling
File Handling in C is used to store, read, and manage data in files (instead of just using memory). It helps in saving data permanently so it can be used later. Common operations: Create a file Open a file Read data from a file Write data to a file Close the file

Chapter 11 – C Preprocessor
The C Preprocessor is a tool that processes your code before the actual compilation starts. It handles special commands called preprocessor directives, which begin with #.