Computer Networking
What function does a serial interface perform in data communication?

Decodes incoming signals into computer data
Converts parallel data into a stream of bits
None of these
Converts analog signals into digital signals
Converts serial data into audio signals

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Computer Networking
Bus is

one or more conductors that some as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network
a continuous frequency capable of being modulated or impressed with a second signal
None of these
the condition when two or more stations attempt to use the same channel at the same time

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