List of Computer hardware

List of computer hardware (Essential & Optional)

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List of Essential Hardware components :

Motherboard
Processor
RAM
Power Supply
Hard Disk
DVD-RW
Monitor
Keyboard
Mouse

Optional hardware list :

Graphics Card [generally exists onboard][PCIe or AGP]
Sound Card [generally exists onboard]
LAN Card [generally exists onboard]
Bluetooth Dongle
TV Tuner Card
Media Center HT sysetm with remote
WebCam
Head Phone
Multi-Card Reader
Flash Drives
External / Portable Hard disks