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Components of a Computer Flashcards | StudBud
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Components of a Computer
An Input/Output device can:
Read Only Memory:
Components of a Computer
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1
Read Only Memory:
Is still stored even when the computer is switched off
Allows the computer to load the operating system
Can be changed
Isn't used in modern computers
2
An Input/Output device can:
Turn on your computer
Accept information & Output that information
Be used as a storage device e.g USB
Access the internet
3
The 2 categories of Input device are:
CD-Rom & Keyboard
Manual Input Device & Input/Output Device
Printer & Mouse
Direct Data Entry & Manual Input Device
4
The CPU:
Is measured in Hertz e.g Gigahertz (Ghz)
Means sound is louder on your computer
Is often found in a microprocessor
Stores games for playing on PC's
5
Which of the following are examples of Direct Data Entry devices?
Barcode reader & Magnetic Stripe code
Touchscreen & Keyboard
Mouse & Voice Recognition
Keyboard & Smart Card
6
Which of these is not a Manual Input Device?
Scanner
Keyboard
Mouse
Printer
7
Which of the following are examples of Output devices:
Printer
Headphones
Speakers
Monitor
8
Random Access Memory:
Works only when the computer is switched on
Works best with good speakers
Works when the computer is switched off
Provides long term storage
9
The Control Unit:
Uses electric signals
Communicates with the memory unit and the ALU
Is the 'brain' of the computer
Performs mathematical operations
10
Which 2 are components of a computer system?
Microsoft Office & CPU
Output Device & Main Memory
USB & Microsoft Office
Desk Space & External Hard drive
