Computer Science - Computer Fundamentals

31. 

Which of the following is not true of a magnetic disk?

A. It is expensive relative to magnetic tape
B. It provides only sequential access to stored data
C. Users can easily update records by writing over the old data
D. It does not provide an automatic audit trail
E. All of the above are true

Answer: Option B

Explanation:

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32. 

A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of a

A. modem
B. adapter
C. cable
D. aerial
E. None of the above

Answer: Option B

Explanation:

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33. 

An output device that uses words or messages recorded on a magnetic medium to produce audio response is

A. Magnetic tape
B. Voice response unit
C. Voice recognition unit.
D. Voice band
E. None of the above

Answer: Option B

Explanation:

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34. 

A factor which would strongly influence a businessperson to adopt a computer is its:

A. Accuracy
B. Reliability
C. Speed
D. All of the above
E. None of the above

Answer: Option D

Explanation:

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35. 

The most common input device used today is

A. Motherboard
B. Track ball
C. Scanner
D. Mouse
E. Keyboard

Answer: Option E

Explanation:

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