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Online Tests
ECAT Computer Science Chapter 6 Data Communication Online Test MCQs With Answers
Question # 1
The process of transferring data from one location to another is called:
Choose an answer
Data processing
Data Computing
Data communication
Data sequencing
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Question # 2
Communication between a computer and a keyboard involves
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Simplex
half-duplex
Full-duplex
automatic
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Question # 3
Token passing prevents data collisions by.
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Using code to steer tokens around each other
Having multiple tokens take alternate routes.
Allowing only one computer at a time to use the token
Using zones to control network traffic congestion
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Question # 4
The device used with satellite transmission that ensures that strong outgoing signals do not interface with weak incoming signals is called a.
Choose an answer
microwave
transponder
cable
modem
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Question # 5
Microwave transmission, coaxial cables, and fiber optics are examples of.
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modems
communication links
gateways
ring network
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Question # 6
A device that receives messages is called:
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Transmitter
Receiver
Source
Sender
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Question # 7
_______is not component of data communication.
Choose an answer
Medium
Voltage
Decoder
Receiver
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Question # 8
ASCII 7 bit code can represent maximum
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265 character
128 character
64 character
65536 character
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Question # 9
The music and speech represent the:
Choose an answer
Image Data
Audio Data
Video Data
Text Data
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Question # 10
The electromagnetic or light waves representing data are called:
Choose an answer
Reraction
Information
Signals
None
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Question # 11
In______________communication modes the data communication can take place in only one direction
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Simplex
Half-duplex
Full-deplex
None
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Question # 12
To make a personal computer act like a terminal, which type of software must be used?
Choose an answer
fax
videoconferencing
bridge
emulation
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Question # 13
Which of the following does not provide a graphical user interface.
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OS/2
MS-DOS
Macintosh
Windows NT Workstation
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Question # 14
A driver is.
Choose an answer
hardware
a peripheral device
a card
software
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Question # 15
A connection for similar networks.
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satellite
gateway
bridge
fax
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