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ECE · Q422

Signal Processing

Engineering and GATE · ECE · question 422

Q422

Consider the following statements for a system given by y ( n ) = x ( n ) _k = - ^ ( n - 3k ) . 1. The system is linear. 2. The system is non-linear. 3. The system is causal. 4. The system is non-causal. Which of the above statements is/are correct?

Consider the following statements for a system given by
1. The system is linear.
2. The system is non-linear.
3. The system is causal.
4. The system is non-causal.
Which of the above statements is/are correct?
A.
1 only
B.
2 only
C.
2 and 4 only
D.
1 and 3 only
Answer

Answer: Option D

Solution

Answer: Option D
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