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
Electronic mail
Electronic newspaper
None of these
Global network

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Computer Networking
In geosynchronous orbit, satellite

remains in a fixed position related to points on earth
moves simultaneously
None of these
moves faster than the earth's rotation so that it can cover larger portion of earth.
remains in a fixed position so that as earth rotates, it can fully cover the earth

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