Online Test

Question # 1

Records stored on a Direct Access storage device.

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must be read in a specific order

must be read in groups

must be read directly

must be read sequentially or directly

To concept of using several small disk packs that work together as a unit is.

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CD-ROM

RAID

WORM

OMR

The time require for the access arm to get into position over a particular track is.

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rotational delay

data transfer

seek time

head switching

The speed with which a disk can find data being bought is called.

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access time

data transfer time

direct time

cylinder time

Data is transmitted character by character in

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Synchronous mode

Asynchronous mode

Remote communication

Satellite mode

CD-ROM has the same format as a(n).

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backup tape

DAT

diskette

audio compact disk

An arrangement in which data is transmitted in both directions at a time is called

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Simplex

Full duplex

Half duplex

Multi-duplex

The ability to return a changed disk record to its original location is called.

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magneto-optical

rotational delay

multimedia

updating in place

Which input device is often attached to laptop computers:

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trackball

inscriber

wand reader

graphic display

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

Voice input devices convert voice input to.

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digital code

OCR-A

bar codes

optical marks

Another word for printer.

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monochrome

microfiche

pixel

cursor

The encoding scheme of data represent as

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EBCDIC code

ASCII code

Unicode

All of the above

Shift of register by one bit to left in binary code is equivalent to

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addition of 2

subtraction of 2

division by 2

multiplication by 2

To most commonly used output device today is a.

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CRT monitor

keyboard

mouse

card punch

The most common storage devices in a computer system are.

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printers and monitors

disk drives and printer

disk drives and tape derives

tape drives and keyboards

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