Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

All of these
Hardware and software
WAN and LAN
Full duplex and half duplex

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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?

Paperless office
None of these
Electronic mail
Electronic newspaper
Global network

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