PART-A QUESTIONS AND
ANSWERS
1. How are
Z-transforms related to Laplace transforms? What are the uses of Z-transforms?
Give suitable examples.
2. Define one
sided Z-transform.
3. Define two
sided Z-transform.
4. Define unit
step sequence and unit impulse sequence.
5. Find the
value of u (n) - u (n − 1) = 0
[Ans. δ (n)]
10. State
convolution theorem for casual sequences.
11. State
initial value theorem on Z-transform.
12. State final
value theorem on Z-transform.