(i) memory less

(ii) casual

(iii) linear

(iv) time-invariant

$Y[n] = x[-n] $

Mumbai University > EXTC > Sem 4 > Signals and Systems

Marks : 04

Year : MAY 2015

(i) If the present input is x(n) then output y(n) is x(-n). That is if input is x(4) then output is x(- 4). Thus the system has to store input sequence in the memory. Hence the system is dynamic i.e. it has memory.

(ii) The given system equation is

$y(n) …