Computer Networking
MAC is

None of these
a very common bit-oriented data link protocol issued to ISO.
network access standard for connecting stations to a circuit-switched network
a method of determining which device has access to the transmission medium at any time
a method access control technique or multiple-access transmission media

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Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

None of these
Electronic newspaper
Paperless office
Electronic mail
Global network

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