Question # 1

Computer output produced as small film images is called

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OCR

COM

LCD

OMR

A device used for optical character recognition is

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wand reader

light pen

mouse

micr reader

The major disadvantage of magnetic tape is

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cost

unreliability of store data

slow data recording

data is accessed sequentially

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

Internal modem is connected to

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DCE cable

RJ 45 cable

RS 232 serial port

DTE cable

A magnetized spot represents.

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cpi

MB

0 bit

1 bit

The most commonly used character code/s transmission is/are

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EBCDIC

ASCII

both EBCDIC and ASCII

nethier EBCDIC and ASCII

The transfer of data from one place to another is called

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Data processing

Data distribution

Data communication

Data encryption

The most commonly used output devices in a computer system are

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printers and monitors

disk drives and printers

disk drive and tape drives

tape drive and keyboards

Frequency is measured in

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Channels

Hertz

Bandwidth

Baud

The mechanism for reading or writing data in a disk is called a(n).

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track

rotational delay

seek time

access arm

A digital computer system consists of a central processing unit interfaced with

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input devices

auxiliary storage

output devices

all of above

Communication between a computer and keyboard involes __________ transmission.

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Half duplex

Full-duplex

Simplex

Automatic

A hard disk can be backed up efficiently using.

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WORM

a transaction file

a tape backup system

zoning

Computer output produced as small film images is called.

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OCR

COM

LCD

OMR

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