Which of the following system is memoryless?

1.	Which of the following system is memoryless?
A.	h(t)=0,t ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ñ‚Ä†0
B.	h(t)=x(t-1)
C.	h(t)=0, t=0
D.	h(t)=kx(t+2)
Answer» B. h(t)=x(t-1)

Discussion