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Computer Basic Information

Computer Basic Information
which of the following has the most capacity ?

CD-R
CD-RW
VCD
DVD

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Computer Basic Information
Which of the following is responsible for coordinating various operations using timing signals?

Input/Output unit
Control unit
None of these
Arithmetic-logic Unit
Memory unit

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Computer Basic Information
The magnetic storage chips used to provide nonvolatile direct access storage of data and that have no moving parts are known as

None of these
Magnetic bubble memory
Magnetic disk memory
Magnetic core memory
Magnetic tape memory

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Computer Basic Information
The essential features of a number system are

Radix
None of these
Set of distinct counting digits
bits
Both A & B

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Computer Basic Information
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each

cylinder
disk surface
track
None of these
disk

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Computer Basic Information
In a PC, how much memory is available to application software?

2048 KB
1024 KB
760 KB
560 KB
640 KB

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