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Computer Basic Information

Computer Basic Information
The length of a word in computer is measured in:

bits
metre
byte
millimeters

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Computer Basic Information
Which of the following are often used to ensure that data has been accurately input to the computer?

input controls
digitizers
light pens
None of these
keyboards

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Computer Basic Information
Computers are extremely fast and have fantastic memories. However, the only thing they can remember is

Logic theorems
Boolean algebra
None of these
Series of 1s and 0s
Instruction

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Computer Basic Information
A beam of light used to record and retrieve data on optical disks is known as

None of these
unpolarized concentric light
coloured light
polarized light
laser

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Computer Basic Information
QWERTY is used with reference to

Keyboard
Mouse
Printer
Monitor

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Computer Basic Information
A random-access data storage device which gives rapid access to data is

Magnetic tape
None of these
Disk storage unit
Punched card
Buffer

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