Which of the following systems is memoryless?
A. y(t) = x(2t) + x(t)
B. y(t) = x(t) + 2x(t)
C. y(t) = -x(t) + x(1-t)
D. y(t) = x(t) + 2x(t+2)
Answer:A
Which of the following systems is memoryless?
A. y(t) = x(2t) + x(t) B. y(t) = x(t) + 2x(t) C. y(t) = -x(t) + x(1-t) D. y(t) = x(t) + 2x(t+2)
Explanation: A system possessing no memory has its output depending upon the input at the same time instant, which is prevalent only in option b.