Computer Science · Oct / Nov 2023 · Paper 12 · Question 6
0478
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The table contains descriptions about data transmission methods. Complete the table by identifying which data transmission methods are described. Data transmission method Description Data is transmitted down a single wire, one bit at a time, in one direction only. Data is transmitted down multiple wires, multiple bits at a time, in both directions, but only one direction at a time. Data is transmitted down a single wire, one bit at a time, in both directions at the same time. Data is transmitted down multiple wires, multiple bits at a time, in one direction only. [4]
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One mark for each correct data transmission method:
Data transmission method
Description
Data is transmitted down a single serial simplex
wire, one bit at a time, in one
direction only.
Data is transmitted down multiple wires, multiple bits at a time, in both parallel half-duplex
directions, but only one direction at a time.
Data is transmitted down a single serial full-duplex
wire, one bit at a time, in both directions at the same time.
Data is transmitted down multiple parallel simplex
wires, multiple bits at a time, in one direction only.
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