Introduction to Computing & Programming by Manoj Kumar Deka and Sadiq Hussain is a comprehensive and structured textbook designed specifically for 3rd Semester Polytechnic students studying Computer Application. Published by Mahaveer Publications, this book aims to build a strong foundation in computer fundamentals, problem-solving techniques, and introductory programming skills essential for diploma-level engineering students.

The book covers both theoretical and practical aspects of computing. It introduces students to computer architecture, software types, operating systems, data representation, algorithms, flowcharts, programming concepts, and structured coding techniques. Special emphasis is given to basic programming constructs, enabling students to learn how to write and understand simple programs.

The content is presented in a clear and student-friendly manner, supported by examples, illustrations, and practice questions that help students prepare effectively for examinations and laboratory sessions.

Unit 1 – Computer Architecture (Pages 9–43)

Covers the fundamental structure of computers:

• Basic components: CPU, memory, I/O devices

• Organization & working principles

• Types of memory

• Instruction cycles

• System buses and architecture models

Helps students understand how computers function internally.

Unit 2 – Number System (Pages 44–60)

Introduces the backbone of computer arithmetic:

• Binary, octal, decimal, hexadecimal systems

• Conversions between number bases

• Binary arithmetic

• Logic operations

Essential for programming and digital electronics.

Unit 3 – Operating System (Pages 61–105)

Chapter 1: Introduction to Operating System

• Functions of OS

• Types of OS

• System components

Chapter 2: Microsoft Disk Operating System (MS-DOS)

• DOS commands

• File handling

• Directory management

Chapter 3: Microsoft Windows 10

• Desktop environment

• File explorer

• System settings

• Basic operations

This unit helps students become confident in using operating systems.

Unit 4 – Microsoft Office 2007 (Pages 106–227)

Chapter 1: MS Word 2007

• Creating and formatting documents

• Working with tables, pictures, and templates

Chapter 2: MS Excel 2007

• Worksheets and formulas

• Functions, charts, and data handling

Chapter 3: MS PowerPoint 2007

• Slide creation

• Animations & transitions

• Presentation skills

Chapter 4: Database Concepts with MS Access 2007

• Tables, queries, forms, and reports

• Database design basics

This is vital for technical documentation and office productivity.

Unit 5 – Programming with C (Pages 228–283)

Chapter 1: Introduction

• Structure of a C program

• Variables, data types, operators

Chapter 2: Conditional Statements & Loops

• if, if-else, switch

• for, while, do-while loops

Chapter 3: Arrays

• One-dimensional & two-dimensional arrays

• Applications and examples

Chapter 4: C Programming Solved Questions

• Model programs

• Output-based problems

• Exam-oriented solved examples

This unit builds the foundation for future programming courses.

Unit 6 – Computer Networking (Pages 284–300)

• Types of networks (LAN, WAN, MAN)

• Network devices: router, switch, hub

• Transmission media

• Internet, protocols & basic communication concepts

Helps students understand how computers connect and communicate.