The technique of changing the characteristics of signal being transmitted.
(A) Demodulation
(B) Transmission
(C) Encryption
(D) Modulation
Answer:
Checking the options
- (A) Demodulation - It is the process of separating the original information from the modulated carrier.
- (B) Transmission - It is a mechanism of sending data over a transmission medium.
- (C) Encryption - It is a means of securing digital data.
- (D) Modulation - It is the process of varying one or more properties of the carrier signal.
Demodulation is the technique of changing the characteristics of the signal being transmitted.
So, the correct answer is (D)
