engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Signals and Systems Discrete Time Signals and Systems Characteristic of Systems
Which of the following systems is said to be a memory system?
1
y(n) = 5x(n) + 6
2
y(n) = 5x(n) + 2x(n-1) + 7
3
y(n) = 5x(n) + 3x2(n) + 3
4
y(n) = x(n) + 4x2(n) + 7x3(n)