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WorksheetsIntroduction to Data Communications
Total questions: 10
Worksheet time: 10mins
What is the term used for communication at a distance?
Telecommunication
Local communication
Remote communication
Data communication
What must the system ensure regarding data delivery?
Data must be delivered to the correct destination
Data must be delivered accurately
Data must be delivered in a timely manner
Data must maintain consistent flow
What is the role of a protocol in data communications?
It governs data communications
It is the physical path for data
It is the device that sends data
It is the information to be communicated
What are the three primary data flow modes?
Simplex, Half Duplex, Full Duplex
Unidirectional, Bidirectional, Multidirectional
Analog, Digital, Hybrid
Serial, Parallel, Asynchronous
What is the purpose of a digital-to-analog converter?
To convert binary data to sound waves
To convert sound waves to binary data
To store data in binary format
To transmit data over a network
What is the ASCII code for the letter 'A'?
65
66
64
63
The information to be communicated in a data communication system is the ____
medium
protocol
message
transmission
In _____ transmission, the channel capacity is shared by both communicating devices at all times
simplex
half-duplex
full-duplex
half-simplex
How many components are in data communication?
2
3
4
5
Twisted pair, coaxial cable and fibre optic cable are examples of
Wired Media
Wireless Media
Both wired and wireless
None of the above
