Computer Networking
The frequency range : 300 kHz to 3 MHz is used for

TV transmission
FM radio transmission
microwave communications, satellite and radar
AM radio transmission
None of these

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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 mail
Global network
Electronic newspaper
Paperless office

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