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Online Tests
ECAT Computer Science Chapter 3 The Peripheral Devices Online Test MCQs With Answers
Question # 1
Which input device is often attached to laptop computers:
Choose an answer
trackball
inscriber
wand reader
graphic display
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Question # 2
The encoding scheme of data represent as
Choose an answer
EBCDIC code
ASCII code
Unicode
All of the above
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Question # 3
Data transmission speed of wire pair is
Choose an answer
9600 bps
9500 bps
3600 bps
3500 bps
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Question # 4
Shift of a register by one bit to left in binary code is equivalent to.
Choose an answer
addition of 2
subtraction of 2
division by 2
multiplication by 2
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Question # 5
Laser beam technology is used for
Choose an answer
terminals
optical disk
keyboard
magnetic tape
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Question # 6
CD-ROM has the same format as a(n).
Choose an answer
backup tape
DAT
diskette
audio compact disk
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Question # 7
The major disadvantage of magnetic tape is
Choose an answer
cost
unreliability of store data
slow data recording
data is accessed sequentially
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Question # 8
A storage medium which can not support both direct access and sequential access application is
Choose an answer
magnetic drum
hard disk
magnetic tape
floppy disk
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Question # 9
A storage medium which cannot support both direct-access and sequential-access application is.
Choose an answer
magnetic drum
hard disk
magnetic tape
floppy disk
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Question # 10
Assigning more sector to outer hard disk is called
Choose an answer
zone recording
randomizing
sectoring
data transfer
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Question # 11
If electrical power supply to a computer system is inadvertently disrupted ,the serious damage would occur to
Choose an answer
CPU
disk
CRT
printer
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Question # 12
A color screen with the best resolution
Choose an answer
MICR
VGA
SVGA
LCD
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Question # 13
The CRT technology with the best resolution.
Choose an answer
MICR
VGA
SVGA
LCD
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Question # 14
To send data, instruction and information you need a
Choose an answer
Sending device
Receiving device
Channel device
Communication signal
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Question # 15
The disk storage that use both magnet and laser beam
Choose an answer
hashing
magneto optical
CD-ROM
WORM
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Question # 16
A pictorial screen symbol that represent a computer activity is called
Choose an answer
pointer
touch screen
icon
miicr
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Question # 17
A pictorial screen symbol that represent a computer activity is called
Choose an answer
pointer
touch screen
icon
miicr
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Question # 18
The equipment attached to CPU which computer can access are called
Choose an answer
Hardware
input output devices
peripherals
computer components
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Question # 19
Which of the following does not support I/O devices
Choose an answer
OCR
joystick
ALU
speaker
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Question # 20
A color screen with the best resolution has the most.
Choose an answer
CRT
VGA
COM
pixel
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