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ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers
Question # 1
A device that inputs data by scanning letters and number is a
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keyboard
wand reader
mouse
diskette
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Question # 2
CD-ROM has the same format as a(n).
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backup tape
DAT
diskette
audio compact disk
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Question # 3
Computer output produced as small film images is called.
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OCR
COM
LCD
OMR
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Question # 4
The equipment attached to CPU which computer can access are called
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Hardware
input output devices
peripherals
computer components
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Question # 5
Data is transmitted character by character in
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Synchronous mode
Asynchronous mode
Remote communication
Satellite mode
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Question # 6
CD-ROM has the same format as
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backup tape
DAT
diskette
audio compact disk
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Question # 7
A device that inputs data by scanning letters and numbers is a.
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keyboard
wand reader
mouse
diskette
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Question # 8
Following devices are used in simplex mode
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Radio
Television
a , b
Multiplexers
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Question # 9
The transfer of data from one place to another is called
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Data processing
Data distribution
Data communication
Data encryption
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Question # 10
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
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Question # 11
The disk storage that use both magnet and laser beam
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hashing
magneto optical
CD-ROM
WORM
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Question # 12
Soft copy refers to.
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OCR-A
screen output
microfiche
digitizing
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Question # 13
Shift of a 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
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Question # 14
Which is not beneficial of secondary storage
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convenience
DAT
economy
space
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Question # 15
A one-color screen on a black background is called.
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monochrome
addressable
blank
liquid crystal display
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Question # 16
DASD refers to.
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disk storage
track
tape storage
sorting
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