Sunday, June 28, 2009

How does a computer works?

Here's a video about how computer works?




What is Motherboard?


Motherboard is the main circuit board or central printed circuit board of a computer,it contains the CPU,memory, hard disk drive and also it is where the keyboard, mouse, speaker,printer and other auxiliary devices are connected.

Other names for motherboard: mainboard, system board, logic board (apple computers),planar board and mobo.

Parts of Motherboard

(Motherboard manufacturer's name: ECS 945GCT-HM
HP/Compaq name: Livermore-GL6)

Figure 1: Photograph



Figure 2: Backplate



1 - PS/2 mouse port (green). This port is for a PS/2 mouse.

2 - LAN (RJ-45) port. This port allows connection to a Local Area Network (LAN) through a network hub.

3 - Line In port (light blue). This port connects a tape, CD, DVD player, or other audio sources, or it can function as Rear Speakers out.

4 - Line Out port (lime). This port connects to headphones or a speaker, or it can function as Front Speakers Out.

5 - Microphone port (pink). This port connects a microphone, or it can function as Center/Subwoofer Speaker.

6 - USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.

7 - Video Graphics Adapter port. This port is for a VGA monitor or other VGA-compatible devices.

8 - PS/2 keyboard port (purple). This port is for a PS/2 keyboard.


Read more about motherboards.

Motherboard

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