Discrete Time Signals and Systems on Digital Signal Processing related Questions and Answers

Question :   The impulse response of a LTI system is h(n)={1,1,1}. What is the response of the signal to the input x(n)={1,2,3}? 1. {1,3,6,3,1} 2. {1,2,3,2,1} 3. {1,3,6,5,3} 4. {1,1,1,0,0} Answer :   3 - {1,3,6,5,3}