This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on ” Discrete Time Signals”. 1. If x(n) is a discrete-time signal, then the value of x(n) at non integer value of ‘n’ is? a) Zero b) Positive c) Negative d) Not defined 2. The discrete time function defined as u(n)=n for … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Analysis of Discrete time LTI Systems”. 1. Resolve the sequence into a sum of weighted impulse sequences. a) 2δ(n)+4δ(n-1)+3δ(n-3) b) 2δ(n+1)+4δ(n)+3δ(n-2) c) 2δ(n)+4δ(n-1)+3δ(n-2) d) None of the mentioned 2. The formula y(n)= that gives the response y(n) of the LTI system … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Discrete Time Systems Described by Difference Equations”. 1. If the system is initially relaxed at time n=0 and memory equals to zero, then the response of such state is called as ____________ a) Zero-state response b) Zero-input response c) Zero-condition response … Read more
This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Implementation of Discrete Time Systems”. 1. The system described by the equation y(n)=ay(n-1)+b x(n) is a recursive system. a) True b) False 2. To implement the linear time invariant recursive system described by the difference equation y(n)= in Direct form-I, how … Read more
