PC SYSTEM: Personal Computer System - Functional Blocks - System Unit - Display Unit. INSIDE PC: Motherboard - BIOS - CMOS-RAM - Motherboard types – Chipset – SMPS. ON-BOARD MEMORY: Memory Packaging - I/O Ports - USB Port.

Hard Disk Drive and Controller: HDD Sub assemblies – HD Controller – Interface types – Installation and configuration. MMX–Multimedia: CD-ROM Disk – CD-ROM Drive - DVD – Sound Blaster.

Input Devices: Keyboard – Mouse - Scanner - Digitizer – Digital Camera. Monitors and Display Adapters: CRT – VGA – LCD – Plasma - Graphic cards.

Output Devices: DOT Matrix Printer - Laser Printer - Inkjet Printer. Computer Installation: Power supply - PC Installation.

Trouble Shooting and Servicing: POST - Trouble shooting the mother board, Keyboard, Hard Disk drives and Printer. Maintenance: Diagnostic Software’s - Data Security. Computers and Communication: Networking – Modem - Internet.