Computer Networking
Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called

None of these
company directors
field workers
teleprocessors
telecommuters

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Computer Networking
Bus is

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

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