Computer Networking
Demodulation is a process of

converting digital to analog signals
converting analog to digital signals
multiplexing various signals into one high speed line signals
performing data description.

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Computer Networking
In geosynchronous orbit, satellite

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

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