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10. Answer the following questions: 10.1 What characteristic of the carrier wave is changed to represent the data in ASK? a.

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10.1 Answer a) amplitude is changed in ASK for 0 the amplitude will be 0 and for 1 the amplitude will be Vmax.

10.2 Answer d) QAM both the amplitude and the phase is changed.

10.3) Answer a) true PSK is a type of keying

11)

B : Converts digital data into digital signal : Line coding

A : Converts digital data into analog signal : Keying

D : Converts analog data into digital signal : Pulse Code Modulation.

C : Converts analog data into analog signal : Analog Modulation

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