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Computer Basic Information

Computer Basic Information
Computer virus is a ___

Software
Hardware
Bacteria
Freeware

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Computer Basic Information
The input unit of a computer

retrieves data from CPU
None of these
feeds data to the CPU or memory
directs all other units
All of these

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Computer Basic Information
A half byte is know is

Half byte
Bit
Nibble
Data
None of these

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Computer Basic Information
Which hole is used to mark the location of the first sector in a soft-sectored disk.

Location
Address
None of these
Index
Label

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Computer Basic Information
Which of the following is not used as secondary storage

Magnetic disks
Magnetic tapes
Magnetic drums
None of these
Semiconductor memory

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Computer Basic Information
Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?

None of these
Interactive processing
Group processing
Batch processing
Sequential processing

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