Question # 1

The voice channel has a bandwidth of

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0 - 2 KHz

0 - 4 KHz

5 - 10 KHz

10 - 20 KHz

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

The disk storage that use both magnet and laser beam

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hashing

magneto optical

CD-ROM

WORM

A magnetized spot represents

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cpi

MB

0 bit

1 bit

Personal computer user may wish to increase their hard disk storage capacity with

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higher density

DAT

read only media

removable hard disk cartridge.

The time required 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

A computer that accepts handwritten input on a screen.

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minicomputer

desktop computer

mainframe

pen-based computer

The cursor can be moved rolling this device on a flat surface.

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mouse

wand reader

trackball

interactive tablet

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

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

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access time

data transfer rate

direct time

cylinder time

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

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

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magneto optical

rotational delay

updating in place

multimedia

A disk pack within a selected data module is a

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backup unit

Winchester

diskette

Cd-Rom

The disk storage that uses both a magnet and laser beam.

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hashing

magneto-optical

CD-ROM

WORM

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

The major disadvantage of magnetic tape is

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cost

unreliability of store data

slow data recording

data is accessed sequentially

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