i) memory less

ii) casual

iii) time invariant

Y[n] = nx [n].

Mumbai University > EXTC > Sem 4 > Signals and Systems

Marks : 05

Year : DEC 2014

(i) From the given system equation, the output depends upon present input only. Hence the system is static. i.e. memory less.

(ii) The system equation is y[n] = n x[n]. The output depends upon present input only. Hence the system is causal.

(iii) The given discrete time system equation is …