Digital Signal Processing Test Questions

Q.  A discrete time signal may be

1) Samples of a continuous signal
2) A time series which is a domain of integers
3) Time series of sequence of quantities
4) Amplitude modulated wave

a. 1, 2 and 3 are correct
b. 1 and 2 are correct
c. 1 and 3 are correct
d. All the four are correct

ANSWER: See Answer
No explanation is available for this question!