Digital Signal Processing Questions and Answers
Q1.
If the output of the system is \(y(n)=\sum_{k=-\infty}^nx(y)\) with an input of x(n) then the system will work as ____
Answer :
Accumulator
Q2.
If the output of the system of the system at any ‘n’ depends only the present or the past values of the inputs then the system is said to be _____
Answer :
Causal
Q3.
Time scaling operation is also known as _______
Answer :
Down-sampling
Q4.
If the system is initially relaxed at time n=0 and memory equals to zero, then the response of such state is called as _____
Answer :
Zero-state response
Q5.
An FIR system is also called as “recursive system”.
Answer :
False
Q6.
If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is?
Answer :
(0,2,3,0,0,0,0,0)
Q7.
Which of the following is done to convert a continuous time signal into discrete time signal?
Answer :
Sampling
Q8.
The process of converting discrete-time continuous valued signal into discrete-time discrete valued (digital) signal is known as ___
Answer :
Quantization
Q9.
Which bit coder is required to code a signal with 16 levels?
Answer :
4 bit
Q10.
A linear time invariant system is said to be BIBO stable if and only if the ROC of the system function ___
Answer :
Includes unit circle
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