Computer Fundamentals - Section 5 | Multiple Questions and Answers

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Computer Fundamentals - Section 5 Multiple Questions and Answers.

66.	The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?

	A.	Communicates its results
	B.	Activates the output device
	C.	Monitors the flow of information
	D.	Control the printer

67.	Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?

	A.	indexed sectors
	B.	sequential
	C.	direct
	D.	indexed direct

68.	In MODEMS

	A.	Several digital signals are multiplexed
	B.	A digital signal changes some characteristic of a carrier wave
	C.	Digital signal is amplified
	D.	All of the above

69.	Which is a secondary memory device?

	A.	CPU
	B.	ALU
	C.	Floppy disk
	D.	Mouse

70.	A storage device which is used to store data & information external to the main storage is known as

	A.	Buffer
	B.	Backing storage
	C.	PROM
	D.	Accumulator

Read More :

» Computer Fundamentals - Section 1

» Computer Fundamentals - Section 2

» Computer Fundamentals - Section 3

» Computer Fundamentals - Section 4

» Computer Fundamentals - Section 5

» Computer Fundamentals - Section 6

» Computer Fundamentals - Section 7

» Computer Fundamentals - Section 8

» Computer Fundamentals - Section 9

» Computer Fundamentals - Section 10

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