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Online Tests
ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers
Question # 1
Voice input device convert voice input to
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digital code
OCR-A
bar codes
optical marks
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Question # 2
Which of the following cable is comprised of two separate insulated copper wires that are twisted?
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Fiber optics
Twisted pair wire
coax
Submarine
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Question # 3
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 # 4
All of the following are Guided Communication media except
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Fiber-Optic Cable
Wire Cable
Coaxial Cable
Satellite-based , Microwave communication
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Question # 5
Assigning more sector to outer hard disk is called
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zone recording
randomizing
sectoring
data transfer
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Question # 6
The speed with which a disk can find data being bought is called.
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access time
data transfer time
direct time
cylinder time
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Question # 7
The voice channel has a bandwidth of
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0 - 2 KHz
0 - 4 KHz
5 - 10 KHz
10 - 20 KHz
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Question # 8
To send data, instruction and information you need a
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Sending device
Receiving device
Channel device
Communication signal
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Question # 9
A device used for optical-character recognition is a.
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wand reader
light pen
mouse
MICR reader
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Question # 10
A magnetized spot represents
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cpi
MB
0 bit
1 bit
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Question # 11
Shift of 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 # 12
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 # 13
Imaging used what devices to input data?
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scanner
barcode reader
icon
tablet
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Question # 14
A storage medium which can not support both direct access and sequential access application is
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magnetic drum
hard disk
magnetic tape
floppy disk
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Question # 15
A disk pack within a selected data module is a
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backup unit
Winchester
diskette
Cd-Rom
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Question # 16
CD-ROM has the same format as a(n).
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backup tape
DAT
diskette
audio compact disk
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