Discrete Time Signals and Systems MCQs
Practice free Discrete Time Signals and Systems multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 39 questions — no login required.
Question 37easy
A system with input x[n] and output y[n]=5 is given as y[n] = (sin -6 'A n) x(n). The system is
Question 38easy
A 5-point sequence xln] is given as x1-31 = 1, xt-21 = 1, x1-11 = 0, x[0] = 5, x[1] = 1. Let x(eo) denote the discrete-time Fourier transform of xln]. The value of RI X(ei') dco is
Question 39easy
The z-transform Xlzi of a sequence x[n] 0.5 is given by Xlz] = 1- 2z . It is given that the region of convergence of X[z] includes the unit circle. The value of x[0] is