Computer Science - Computer Fundamentals

36. 

What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?

A. Backing storage
B. Buffer
C. Main storage
D. Temporary storage
E. None of the above

Answer: Option B

Explanation:

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37. 

Which of the following is the fastest?

A. CPU
B. magnetic tapes and disks
C. video terminal
D. sensors, mechanical controllers
E. None of the above

Answer: Option A

Explanation:

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38. 

In which year were chips used inside the computer for the first time?

A. 1964
B. 1975
C. 1977
D. 1981
E. None of the above

Answer: Option B

Explanation:

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39. 

The invention of the slide rule is attributed to

A. Babbage
B. Oughtred
C. Pascal
D. Napier
E. None of the above

Answer: Option B

Explanation:

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40. 

The control unit of a microprocessor

A. stores data in the memory
B. accepts input data from a keyboard
C. Performs arithmetic / logic / functions
D. All of the above
E. None of the above

Answer: Option E

Explanation:

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