Contents

1. Motherboard and Peripherals

1. Introduction

1.1 Parts of a Computer System

2. Computer Configuration

2.1 Types of PC Configuration and its Comparison

3. Chipset Basic

3.1 North and Southbridge Architecture

3.2 Intel Chipset 945G

4. Buses on Motherboard

5. Random Access Memory (RAM)

5.1 SDRAM

5.2 Cache Memory

5.3 Basic Input Output System (BIOS)

6. CDs and DVDs

6.1 CD-ROM Drive

6.2 DVD Drive

7. Monitor

7.1 Liquid Crystal Display (LCD)

7.2 Types of LCD

8. Keyboard

9. Mouse

9.1 The Optical Mouse

10. Scanner

10.1 Types of Scanner Device

11. Printers

11.1 Types of Impact Printers

11.2 Types of Non-impact Printers

2. Power Supply and Interfaces

1. Introduction

2. Switched-Mode Power Supply (SMPS)

2.1 SMPS Block Diagram and Working

2.2 SMPS Form Factors

3. Uninterruptible Power Supply (UPS)

3.1 Need of UPS

3.2 Basic UPS System

3.3 Types of UPS

3.4 UPS Power Rating

4. Universal Serial Bus (USB)

4.1 USB Features

4.2 USB Versions

4.3 USB Architecture

4.4 USB Operation

4.5 RS-232

3. Diagnostic, Testing and Maintenance

1. Introduction

2. Preventive Maintenance

2.1 Passive Preventive Maintenance

2.2 Active Preventive Maintenance

3. Preventive Maintenance of Peripherals

4. PC Troubleshooting

5. Some PC Problems and Troubleshooting

6. Power-on Self-Test (POST)

4. Introduction to Network

1. Introduction

2. Network Classification

3. Network Topology

4. Network Cables

5. Network Standards

6. Network Devices

5. Networking Devices and Reference Models

1. Introduction

2. OSI Reference Model

2.1 Data Encapsulation and Interlayer Communication

2.2 Functions of Each Layer

3. TCP/IP Reference Model

3.1 Layered Protocol

3.2 Comparison of the OSI and TCP/IP Reference Models

4. TCP/IP Protocols

5. IP Addressing

5.1 IP Address Format

5.2 Requirement of IP Addressing

5.3 IP Address Classes

5.4 IP Address Assignments

6. TCP/IP Installation

6.1 Installing Network Adapters

6.2 TCP/IP Configuration