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Online Tests
ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers
Question # 1
The speed with which a disk can find data being bought is called.
Choose an answer
access time
data transfer time
direct time
cylinder time
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Question # 2
Internal modem is connected to
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DCE cable
RJ 45 cable
RS 232 serial port
DTE cable
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Question # 3
Assigning more sector to outer hard disk is called
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zone recording
randomizing
sectoring
data transfer
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Question # 4
The speed at which a disk can find data being bought is called
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access time
data transfer rate
direct time
cylinder time
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Question # 5
Communication between a computer and keyboard involes __________ transmission.
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Half duplex
Full-duplex
Simplex
Automatic
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Question # 6
An arrangement in which data is transmitted in both directions at a time is called
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Simplex
Full duplex
Half duplex
Multi-duplex
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Question # 7
Voice input device convert voice input to
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digital code
OCR-A
bar codes
optical marks
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Question # 8
The major disadvantage of magnetic tapes is.
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cost
unreliability of store data
slow data recording
data is to be accessed sequentially
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Question # 9
The cursor can be moved rolling this device on a flat surface.
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mouse
wand reader
trackball
interactive tablet
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Question # 10
Following devices are used in simplex mode
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Radio
Television
a , b
Multiplexers
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Question # 11
The mechanism for reading or writing data in a disk is called
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track
rorational delay
access arm
seek time
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Question # 12
If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to
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CPU
disk
CRT
printer
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Question # 13
The mechanism for reading or writing data in a disk is called
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track
rorational delay
access arm
seek time
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Question # 14
Laser beam technology is used for
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terminals
optical disk
keyboard
magnetic tape
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Question # 15
An example of peripheral devices
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CPU
Printer
Spreadsheet
microcomputer
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Question # 16
Soft copy refers to
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OCR-A
screen output
microfiche
digitizing
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