Question # 1

A device that inputs data by scanning letters and numbers is a.

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keyboard

wand reader

mouse

diskette

Which input device is often attached to laptop computers.

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trackball

inscriber

graphics display

wand reader

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

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

A color screen with the best resolution has the most.

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CRT

VGA

COM

pixel

A computer that accepts handwritten input on a screen.

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minicomputer

desktop computer

mainframe

pen-based computer

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

A magnetized spot represents

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cpi

MB

0 bit

1 bit

The transfer of data from one place to another is called

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Data processing

Data distribution

Data communication

Data encryption

All of the following are Guided Communication media except

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Fiber-Optic Cable

Wire Cable

Coaxial Cable

Satellite-based , Microwave communication

An example of peripheral devices

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CPU

Printer

Spreadsheet

microcomputer

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

A way of physically organizing data on a disk pack to minimize seek time uses.

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sequential file

removable hard

the cylinder method

Winchester technology

Computer output produced as small film images is called

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OCR

COM

LCD

OMR

Laser beam technology is used for.

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terminals

optical disk

keyboards

magnetic tape

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