The discrete-time signal x (n) = (-1)n is periodic with fundamental period
A. 6
B. 4
C. 2
D. 0
Answer:C
The discrete-time signal x (n) = (-1)n is periodic with fundamental period
A. 6 B. 4 C. 2 D. 0
Explanation: Period of the signal refers to the instant of time at which the signal repeats itself and for this Period =2 of the given discrete time signal.