Question # 1

A magnetized spot represents

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cpi

MB

0 bit

1 bit

Communication between a computer and keyboard involes __________ transmission.

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Half duplex

Full-duplex

Simplex

Automatic

Imaging used what devices to input data?

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scanner

barcode reader

icon

tablet

A color screen with the best resolution

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MICR

VGA

SVGA

LCD

To most commonly used output device today is a.

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CRT monitor

keyboard

mouse

card punch

DASD refers to.

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disk storage

track

tape storage

sorting

Which of the following does not support I/O devices

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speaker

OCR

joystick

ALU

A device used for optical-character recognition is a.

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wand reader

light pen

mouse

MICR reader

A pictorial screen symbol that represents a computer activity is called a(n).

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pointer

touch screen

icon

MICR

In a computer system, which of the following has largest number of mechanical components and thus most unreliable.

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magnetic tape

magnetic drum

floppy disk

printer

Another word for printer.

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monochrome

microfiche

pixel

cursor

Laser beam technology is used for

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terminals

optical disk

keyboard

magnetic tape

The major disadvantage of magnetic tape is

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cost

unreliability of store data

slow data recording

data is accessed sequentially

CD-ROM has the same format as

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backup tape

DAT

diskette

audio compact disk

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

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backup tape

DAT

diskette

audio compact disk

A graph prepared by a computer.

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Is its output

Is the piece of information to user

Is a hard copy

All of the above

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