science computer (hardware)

assalamualaikum. ok, ni 1 lagi tugasan yg miss aunah bagi.

aku buat tentang 'hardware' ni sebab mesti ramai yg x nak buat..sebab panjang kan???

so,biar la aku yg buat. korang semue bace n lengkapkan la yg xde n betulkan yg salah yerp..

MOTHERBOARD

http://en.wikipedia.org/wiki/Motherboard

http://www.webopedia.com/TERM/M/motherboard.html

meaning
main circuit board of the system unit

3 basic component of motherboard :

• processors slots
• memory slots
• adapter cards slots

functions

hold many components of the system
provides connectors for to the peripherals

PROCESSORS

http://en.wikiversity.org/wiki/Introduction_to_Computers/Processor

functions:
Interprets and carries out the basic instructions that operate a computer

component

• control unit
• arithemetric logic unit

INPUT AND OUTPUT DEVICES
http://en.wikipedia.org/wiki/Input/output


input
any data and instructions entered into a memory of a computer

output
data that has been processed into a useful form


input devices
meaning
any hardware component that allows users to enter data and instructions

types

• keyboard - keyboard wireless, keyboard ergonomics
• audio input - microphone
• video input - digital camera, webcam
• pen input - stylus, digital pen, signature capture pen
• touch screens 
• biometric input - fingerprints, voice, signature, eye patterns
• scanners - flatbed
• pointing devices - mouse, trackball, touchpad, pointing stick

output devices


meaning
any hardware component that conveys information to people

types

• audio output devices -speaker, headphone
• display devices - CRT monitor
• data projector - LCD projector
• printers - impact printers, nonimpact printers

ADAPTER CARD
http://en.wikipedia.org/wiki/Expansion_card


meaning
a circuit board that enchances functions of the component of a system unit or providers connections to peripherals

types

• USB - connects to USB devices
• Video - connects a monitor
• Sound - connects speaker or a microphones
• PC-to-TV  converter - connects a television
• Network - connects other computers and peripherals

MEMORY
http://en.wikipedia.org/wiki/Computer_memory
consits of electronic components that store instructions waiting to be executed by the processors

types

• Random Access Memory - DRAM, SRAM, MRAM
• Read Only Memory - PROM, EEPROM

STORAGE
http://en.wikipedia.org/wiki/Computer_data_storage
 functions
 holds data,instructions and information for future use

types

• primary storage - RAM , ROM
• secondary storage

-Solid State Disk -Pen Drive, Compact Flash                                          
-Magnetic Storage - Hard Disk, Floppy Disk, Tape
-Optical Disc - Compact Disc (CD)
                     -Digital Video Disc (DVD)
                     - Blu-ray Disc