Computer Networking
Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?

Teleconferencing
Teletalking
Telemailing
Telemeeting
None of these

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Computer Networking
Synchronous protocols

are generally used by personal computers
None of these
are more reliable
transmit characters one at a time
allow faster transmission than asynchronous protocols do

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