Contents

1. Introduction to Computer System

1.  What is Computer?

2.  Need of Computer

3.  Characteristics of Computer

4.  Block Diagram of Computer

5. Advantages and Disadvantages of Computer

6.  Types of Computers

6.1  Types of Computer Based on Functionality

6.2  Types of Computers Based on Size, Speed and Cost

7.  Programming Languages

8.  Types of Languages

8.1  Low Level Languages

8.2 High Level Languages

8.3 Assembly Language

9.  Translators

9.1 Assembler

9.2 Compiler

9.3  Interpreter

10. Data Organization 29

10.1  Drives

10.2   Directory

10.3  Files

11.  Number System

11.1  Decimal Number System

11.2  Binary Number System

11.3  Hexadecimal Number System

11.4  Octal Number System

12. Conversion of Binary Numbers

12.1  Binary to Decimal

12.2  Binary to Hexadecimal

12.3  Binary to Octal

13. Conversion of Hexadecimal Numbers

13.1  Hexadecimal to Binary

13.2  Hexadecimal to Decimal

14. Conversion of Octal Numbers

14.1  Octal to Binary

14.2  Octal to Decimal

14. Conversion of Decimal Numbers

14.1  Decimal to Binary

14.2  Decimal to Hexadecimal

14.3  Decimal to Octal

2. Computer Peripherals

1. Computer Peripherals

2.  Input Output Devices

2.1 Input Devices

2.2 Output Devices

3. Computer Storage

3.1 Types of Storage Devices

3.2 Primary Storage Devices

3.3 Secondary Storage Devices

4. Magnetic Storage Devices

4.1 Magnetic Disks

4.2 How the OS Finds Data on a Disk

5 Introduction to Network Devices

5.1 Hub

5.2 Switch

5.3 Router

5.4 NAS

5.5 Modem

5.6 Access Points

3. Computer Software

1. What is Software?

1.1 Types of Software

2. Operating System

2.1 Functions of OS

3. Types of Operating System

3.1 Real Time Operating System (RTOS)

3.2 Single User Operating System

3.3 Multiuser Operating System

3.4 Distributed Operating System

3.5 Basic Commands in Linux –ls, pwd

4.  Introduction to GUI

4.1 Icons (Desktop Icons)

4.2 File and Directory Structure

4.3 Menus (Menu Items)

4.4 Control Panel

4.5 File and Directory Search

5.  Utility Programs

5.1  Anti-Plagiarism Software

5.2  Anti-virus

5.3 Disk Cleaning (Or Disk CleanUp)

5.4 Defragmentation

5.5  Compression and Decompression of Files

6. Application Software

4. Editors and Word Processors, Spreadsheets and Presentation Tools

1.  Basic Concepts

1.1 Text Editors

1.2  Word Processors

2.  MS Word

3.  gedit

4.  vi

5.  Introduction to Desktop Publishing

6. What is Spreadsheet?

6.1  Purpose of Spreadsheet

6.2 Usage of Spreadsheet

6.3  Spreadsheet Software

6.4  Creation of Files in Spreadsheet

7. Google Docs

7.1  Using Google Docs

7.2  Google Sheets

7.3  Getting Started With Google Sheets

7.4 Google Forms

8  What is Presentation?

8.1  Presentation Tools

8.2  Some Basic Terminologies

8.3  Creating New Presentation

8.4  Creating New Presentation Using PowerPoint Template

8.5  Opening Existing Presentation

8.6  Adding New Slides

8.7  Creating PowerPoint Background

8.8  Designing Slides Using Text

8.9  Designing Slides Using Images and Clip Arts

8.10  Slide Animation

8.11  Designing Slides Using Charts

8.12  Themes in PowerPoint

8.13  Theme Creation

5. Open Source Software

1. Open Source

1.1 Free Software

1.2 Free Software Vs. Open Source Software

1.3 Public Domain Software

1.4 Commercial Software

1.5 Problems with Commercial Software

1.6 Types of Commercial Software

2. Open Source Development Model

2.1 The Open Source Feature Life-Cycle

2.2 Characteristics of the Development Model

2.3 Open Source Licenses

2.4 Open Source History

2.5 Open Source Initiative

2.6 Open Source Principles

3. Open Source Operating Systems

3.1 GNU/Linux

3.2 Android

3.3 Free BSD

3.4 Open Solaris

3.5 Development Tools

4. Examples of Open Source Projects

4.1 LAMP (Linux, Apache, MySQL, PHP)

4.2 Apache Web Server

4.3 Mozilla Firefox

4.4 Wikipedia

4.5 Drupal

4.6 Wordpress

4.7 GCC

4.8 GitHub

4.9 Open Office

6. PC Hardware and Troubleshooting

1. Introduction of Hardware

2.  Types of Hardware

3.  Ports

4.  Motherboard

5.  CPU (Central Processing Unit)

5.1  Instructions

5.2  Registers

5.3  Cache Memory

5.4  Functional Units

5.5  Transistor

5.6  Integrated Circuits

6. Graphics Card

7.  NIC (Network Interface Card)

8.  BIOS (Basic Input Output Setting)

9.  Troubleshooting

10.   How to Troubleshoot

11. Troubleshooting Model

12.  Logical Fault Isolation - Adjust Method

13.  Common Networking Problems

14. Using the Network Troubleshooter in Windows

15.  Tools for Gathering Information

16.  Troubleshooting PC Hardware