Contents

1. Motherboard And Its Components  

1.1 Introduction 

1.2 Chipset Basics     

1.3 Architecture of Intel Chipsets 

1.4 Buses on Motherboard (Expansion OR I/O Slot)     

1.5 Logical Memory Organization    

1.6 Cache Memory 

1.7 Overview and Features of Main Memory 

1.8 Features of Intel Processors   

1.9 Processor Modes    

1.10 BIOS Basics 

1.11 Motherboard Selection Criteria

2. Storage Devices And Its Interfacing   

2.1 Introduction 

2.2 Recording Techniques     

2.3 Hard Disk Construction and Working   

2.4 Servo Techniques   

2.5 Terms Related to Hard Disk     

2.6 Formatting   

2.7 FAT basics   

2.8 Hard Disk Drive Interface

2.9 ATA (Advanced Technology Attachment) RAID  

2.10 Optical Storage   

2.11 DVD-Digital Versatile Disc    

2.12 Blu-ray Disk Specification    

3. Display Devices And Interfacing  

3.1 Introduction 

3.2 CRT Colour Monitor 

3.3 Characteristics of CRT Monitor 

3.4 Advantages of CRT Display Related to LCD Display

3.5 LCD Monitor (Liquid Crystal Display)

3.6 Video Accelerator Card   

4. Input And Output Devices  

4.1 Introduction 

4.2 Keyboard     

4.3 Mouse  

4.4 Scanner

4.5 Modem  

4.6 Printers     

5. Power Supplies

5.1 Introduction 

5.2 Block Diagram and Working of SMPS    

5.3 Signal Description and Pinout Diagram of AT and ATX Connectors     

5.4 Power Supply Characteristics   

5.5 Power Problems     

5.6 Symptoms of Power Problems     

5.7 Protection Devices 

6. Interfaces    

6.1 Introduction 

6.2 USB Features 

6.3 RS 232 (Recommended Standard)  

6.4 Centronics Interface     

6.5 Firewire Features  

7. PC Troubleshooting, Maintenance And Tools   

7.1 Introduction 

7.2 POST   

7.3 Preventive Maintenance   

7.4 Preventive Maintenance of Peripherals of PC

7.5 Fault Finding and Troubleshooting of above Peripherals 

7.6 ESD (Electrostatic Discharge)  

7.7 Diagnostic Software

7.8 Troubleshooting Tools    

7.9 Logic Analyzer and CRO   

7.10 Computer virus