note computer hardware
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COMPUTER COMPUTER HARDWAREHARDWARE
Tuesday (29 th January 2008)
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There are 4 types of There are 4 types of computer hardwarecomputer hardware
InputInput ProcessingProcessing
Output Output Storan Storan
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Input hardwareInput hardware
Any machine that feeds data into Any machine that feeds data into a computer.a computer.
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Examples of input Examples of input hardwarehardware
KeyboardKeyboard Camera digitalCamera digital
Mouse Mouse Joystick Joystick
Microphone Microphone ScannerScanner
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Processing hardwareProcessing hardware It is in the system unit that the It is in the system unit that the computer program instructions are computer program instructions are
executed and data is manipulated. The executed and data is manipulated. The system unit includes the central system unit includes the central
processing unit (CPU), or processor, processing unit (CPU), or processor, and the main memory, among other and the main memory, among other
things. The CPU contains a control unit things. The CPU contains a control unit that executes the program instructions, that executes the program instructions,
and an arithmetic-logic unit (ALU) and an arithmetic-logic unit (ALU) which performs mathematic and logic which performs mathematic and logic operations including calculations such operations including calculations such as addition, subtraction, multiplication, as addition, subtraction, multiplication,
and division and division
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Examples of processing Examples of processing hardwarehardware
Central processing unit (CPU)Central processing unit (CPU)
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Output hardwareOutput hardware
Any machine that display Any machine that display information that has been held information that has been held
or generated within a computer or generated within a computer
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Examples of output Examples of output hardwarehardware
Monitor Monitor Speaker / headphoneSpeaker / headphone
Dot-matrix printerDot-matrix printer Ink-Jet printerInk-Jet printer Laser printerLaser printer
LCD projectorLCD projector
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Storan hardwareStoran hardware
A data storage device is a A data storage device is a device for recording (storing) device for recording (storing)
information (data). information (data).
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Examples of storan Examples of storan hardwarehardware
Hardisk Hardisk Disket / 1.44 MB Floppy diskDisket / 1.44 MB Floppy disk
CD-R / CD-RWCD-R / CD-RW USB Mass storage USB Mass storage
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POP QUIZ…POP QUIZ…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
suria_m / SMKBG '08suria_m / SMKBG '08
NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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NAME THE DEVICES NAME THE DEVICES SHOWN…SHOWN…
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FINISH….FINISH….
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