Disk Operation System

• Introduction What does an Operating System Do?

• Getting Started 

• Configuring with Config.Sys and Autoexec.bat 

• Memory Organization 

• Managing your System 

• DOS Error Messages

Support Chips

• Introduction 

• Programmable Peripheral Interface 8255A 

• Programmable Interval Timer 8253/8254 

• DMA Controller 8237 / 8237 2 

• Clock Generator 8284 

• Bus Controller 8288 

• Programmable Interrupt Controller 8259

Windows 98/XP

• Introduction 

• About Windows 98/XP 

• Starting Windows 95/XP 

• Getting Help 

• My Computer 

• Control Panel 

• Exploring the Explorer 

• Windows Printing 

• Windows Multimedia 

• Windows Communication 

• Windows Networking 

• Connecting to Internet 

• System Tools 

• Troubleshooting Windows 

• Windows Installation 

• Installation, Configuration and features of Win NT/2K

Motherboard Logics

• Introduction 

• CPU Logic 

• DMA Logic 

• Bus Arbitration Logic 

• RAM Logic

• ROM Organization 

• Mode Switch Input Logic 

• RAM Parity Logic

• NMI Logic 

• Data Bus Logic 

• Address Bus Logic 

• Control Bus Logic 

• DRAM Refreshing Logic 

• Speaker Logic

• Time of Day Logic

Microprocessor

• Introduction to Microprocessors 

• Evolution of Microprocessors 

• Organization of Microprocessor - Preliminary Concepts 

• Architecture of Microprocessor 

• Personal Computer Concepts and Techniques 

• 8085 Microprocessor 

• Intel 8086/8088 

• Bus Interface Unit 

• Execution Unit 

• 8088 Hardware 

• Common Signals 

• Different Modes of Operation 

Advanced Processors

• Introduction

• 806186 / 80188 Architecture 

• Introduction to 80286

• The Virtual Memory Machine 

• 80386 Microprocessor 

• 80386 Memory Management 

• Descriptors and Selectors 

• Virtual 8086 Mode of 80836 

• Memory Paging Mechanism of 80386

•  Basic Architecture of 80486

• 80486 Memory System

• Pentium and Pentium Pro Processors

• Cache Structure of Pentium

• Branch Prediction Logic

• Memory Management of Pentium

PC Memory

• Types of Random Access Memory

• Memory Speeds and types

• Read Only Memory

Floppy Disk Drive

• Floppy Disk, Types of Floppy Disk

• Data Encoding

• Formatting

• Organization of Floppy Disk in DOS

• Floppy Disk Controller

Mother Boards & BIOS

• The System ROM CMOS

• POST

• Beep Codes, Boot Process, Mother Board

Hard disk drive

• Introduction

• Hard Disk Interfaces 

• Hard Disk Partitioning 

• DOS Boot Record

• The FAT and Root Directory 

• Logical Drive Structure 

• SCSI, CD ROM

• How CDs Store Data, Tape Drives

Bus Standards

• Introduction 

• Bus Mastering 

• Industry Standard Architecture 

• Local Bus, PCI Bus Commands 

• Peripheral Component Interconnect Bus

• Macintosh Busses

Display Adapter

• Display Standards and Compatibility

• Digital Vs Analog

• Dual Display Controller

Serial Ports

• Serial Ports

• RS 232 Standards

• Null Modem, UART 8250 

• Driving Serial Ports, Modem 

• File Transfer Protocol 

• Communication Standards, Modem Commands 

• Universal Serial Bus

Monitors

• Introduction 

• Classification of Monitors 

• Cathode Ray Tube,Color CRT 

• Shadow Mask, Monitor Controls

Mouse

• Introduction 

• Mouse type 

• Serial Mouse, Bus Mouse 

• Mouse Driver, Resolution 

• Using a mouse

SMPS

• Power Supply used in PC 

• SMPS Block Diagram 

• Backup Power Supplies

Keyboard

• Keyboard Switch 

• Scanning

• Encoding

• Keyboard Controller 

• Keyboard Connectors

Parallel Ports

• Centronics Interface

• Parallel Port Controller Card

• Parallel Communication 

• Centronics Modes

Printers

• Introduction 

• Types of Printers 

• Impact Printers 

• Modules of DMP 

• Switches

• Parts of DMP 

• Non-Impact Printers 

• Laser Printers

• Electronic side of the printing Process

• Printer Languages

Preventive Maintenance & Safety

• Introduction 

• Magnetism 

• Power problems 

• Viruses

• General precautions 

• Periodic Maintenance 

• Power supply & Fan 

• Safety

• Discharging CRT

Special Peripherals Devices

• Introduction 

• Mouse 

• Classification of Mouse 

• Digitizing Tablets

• Light Pens 

• Scanners 

• Mice 

• Digitizers 

• Pointers 

• Touch screens

Communication & Customer

• Introduction

• Strategies for better Communication

• Improving Communication Effectiveness 

• Non-Verbal Communication

• Customer Interaction 

• o's and Don'ts 

• Identifying a Customer

Testing Power

• Introduction 

• AC Power 

• DC Power 

• Switching Network 

• Electro Static Discharge (ESD)

• Uninterrupted Power Supplies (UPS)

Multimedia

• Introduction 

• CD-ROM Drives 

• Types of CD-ROM 

• Sound

• Sound cards 

• Multimedia Standards

Disassembly Installation and Reassembly

• Introduction 

• Tips and tricks 

• Disassembly 

• Installation of Floppy Drives 

• Installation of IDE Hard disk drives 

• SCSI Hard driveI

• nstallation of Mouse 

• Installation of Soundcard 

• SCSI

• Installation of Printers 

• Installation of Modem 

• Tips for Reassembly

Computer Viruses

• Introduction

• What is a computer Virus? 

• How does a Virus work 

• Where do virus live

• Using AntiVirus Software