Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

None of these
Amplitude modulation
Aloha
Amplitude
Amplitude-shift keying

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Computer Networking
Carrier is

the condition when two or more sections attempt to use the same channel at the same time
One or more conductors that serve as a common connection for a related group of devices
None of these
a continuous frequency capable of being modulated or impressed with a second signal
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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