Signals and Systems - Engineering

Q1:

Which one of following is a stataic system?

A y(n) = x(n) - x(n - 1)

B y(n) = x(2n) - x(2n-1)

C y(n) = x(n - 1)

D y(n) = ex(n)

ANS:D - y(n) = ex(n)

No answer description is available.