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Computer Basic Information

Computer Basic Information
Which of the following can't spread virus

A plain text mail
Downloading files over the web
An e-mail with attachment
None of these

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Computer Basic Information
The working principles of today's computers were provided by an English mathematician

Ken Reider
Charles Babbage
None of these
Donald Reach
Dr. Hollerith

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Computer Basic Information
An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is

Punched paper tape
Paper tape punch
Magnetic disk
Magnetic tape
None of these

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Computer Basic Information
A collection of eight bits is called

Byte
None of these
File
Word
Record

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Computer Basic Information
When was Apple Macintosh II microcomputer introduced in the market?

None of these
1964
1970
1987
1986

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Computer Basic Information
A wireless network uses .......... waves to transmit signals.

Radio
Magnetic
None of these
Sound
Mechanical

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