Electronics and Communication Engineering - Signals and Systems - Discussion

Discussion Forum : Signals and Systems - Section 1 (Q.No. 2)
2.
Which one most appropriate dynamic system?
y(n) + y(n - 1) + y(n + 1)
y(n) + y(n - 1)
y(n) = x(n)
y(n) + y(n - 1) + y(n + 3) = 0
Answer: Option
Explanation:

Because present output of y(n) depend upon past y(n - 1) and future y(n + 1).

Discussion:
24 comments Page 3 of 3.

Vani said:   7 years ago
Option A doesn't even show the equation of a system, hence option D is the more appropriate answer.

Lavanya said:   6 years ago
I think option B is correct.

Devesh Drishti said:   5 years ago
Options A and D both are correct.

The dynamic system means having a memory which is represented by past and future o/p
At given present i/p.
(1)

Kish Ardent said:   3 years ago
An appropriate dynamic system is also a memory system. the output is dependent on past and future values. option A does not depend on anything because it has no output. So, we can express it as y(n) = y(n-1) + y(n+1) for it to become an appropriate system.
(1)


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