Computer - Mock Test 79

Question 781

Bubble Memory is?

A) nonvolatile B) volatile C) permanent D) None of these

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Question 782

The can be programmed one time by either the manufacturer or the computer user. Once programmed, it cannot be modified?

A) RAM B) ROM C) PROM D) EPROM

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Question 783

A network geometric arrangement in which a single connecting line is shared by a number of nodes is called?

A) Car Topology B) Bus Topology C) Truck Topology D) None of these

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Question 784

The following is an nonvolatile memory?

A) ROM B) RAM C) LSI D) VLSI

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Question 785

Buffer is device/storage area?

A) Where data are temporarily stored B) Where data is permanently stored C) Where data error occurs D) None of these

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Question 786

Following is not true for magnetic tape?

A) low cost B) direct-access storage medium C) compact and portable D) highly reliable

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Question 787

In a disk system time required for a read/ write head to move to the track where the record to be read or written is stored is?

A) Access time B) Random time C) Response time D) Seek time

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Question 788

Magnetic tape can serve as?

A) input media B) output media C) secondary-storage media D) all the above

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Question 789

A data transmission medium made of tiny threads of glass or plastic that can transmit huge amount of information at the speed of light is?

A) Fiber optic cable B) Copper cable C) Twisted wire cable D) None of these

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Question 790

A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is?

A) Facsimile (FAX) B) Telephone C) Photocopier D) None of these

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