Main parts of the computer:
•
•
•
•
•
Motherboard,
CPU,
RAM,
HDD,
Video card.
Motherboard
Motherboard: is main circuit of the computer,
which all the other parts are connected to. The
CPU , the memory, the hard disk drive and any
peripheral devices are all connected to the
motherboard.
The speed of CPU is calculated in Hertz (Hz). In other
words, we count in Hz how much data the CPU can
process in a period of time
Peripheral Devices:
Devices that are connected to the computers
but are not necessary For the computer to
work.
• Input devices,
• Output devices,
• Input/output devices,
• Storage devices.
Input Devices
Examples:
 Mouse
 Keyboard
 Trackball
 A gamepad
 Web camera
 Digital camera
 Microphone
 Pointing devices
 Scanner
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output Devices
Output
Send information outDevices
from a PC
Examples:
Speakers
Monitors
Printers
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Storages
Devices
Storage
Devices
Storage Devices examples:
DVD-RW drive
CD-RRW drive
Hard disk drive (HDD)
Memory card/ USB FLASH Drive
Blu-ray drive (BD)
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