Requirement for transformations

Q.  The transformations are required for

1) Analysis in time or frequency domain
2) Quantization
3) Easier operations
4) Modulation
- Published on 26 Nov 15

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: 1 and 3 are correct

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