Digital Signal Processing Questions and Answers | Digital Signal Processing MCQs

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 What is the transient response of the system described by the difference equation y(n)=0.5y(n-1)+x(n) when the input signal is x(n)= 10cos(πn/4)u(n) and the system is initially at rest?
A (0.5)nu(n)
B 0.5(6.3)nu(n)
C 6.3(0.5)n
D 6.3(0.5)nu(n)

Answer:6.3(0.5)nu(n)
2 What is the steady-state response of the system described by the difference equation y(n)=0.5y(n-1)+x(n) when the input signal is x(n)= 10cos(πn/4)u(n) and the system is initially at rest?
A 13.56cos(πn/4 -28.7o)
B 13.56cos(πn/4 +28.7o)u(n)
C 13.56cos(πn/4 -28.7o)u(n)
D None of the mentioned

Answer:13.56cos(πn/4 -28.7o)u(n)
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 If the ROC of the system function is the exterior of a circle of radius r < ∞, including the point z = ∞, then the system is said to be ___________
A Stable
B Causal
C Anti causal
D None of the mentioned

Answer:Causal
4 A linear time invariant system is said to be BIBO stable if and only if the ROC of the system function _____________
A Includes unit circle
B Excludes unit circle
C Is an unit circle
D None of the mentioned

Answer:Includes unit circle
5 If all the poles of H(z) are inside the unit circle, then the system is said to be ____________
A Only causal
B Only BIBO stable
C BIBO stable and causal
D None of the mentioned

Answer:BIBO stable and causal
6 Which of the following is a Dirichlet condition with respect to the signal x(t)?
A x(t) has a finite number of discontinuities in any period
B x(t) has finite number of maxima and minima during any period
C x(t) is absolutely integrable in any period
D all of the mentioned

Answer:all of the mentioned
7 What is the spectrum that is obtained when we plot |ck |2 as a function of frequencies kF0, k=0,±1,±2..?
A Average power spectrum
B Energy spectrum
C Power density spectrum
D None of the mentioned

Answer:Power density spectrum
8 What is the spectrum that is obtained when we plot |ck| as a function of frequency?
A Magnitude voltage spectrum
B Phase spectrum
C Power spectrum
D None of the mentioned

Answer:Magnitude voltage spectrum
9 Which of the following relation is correct between Fourier transform X(F) and Fourier series coefficient ck?
A ck=X(F0/k) 
B ck= 1/TP (X(F0/k))
C ck= 1/TP(X(kF0))
D none of the mentioned

Answer:ck= 1/TP(X(kF0))
10 The Fourier series for the signal x(n)=cos√2πn exists.
A True
B False

Answer:False

Random GK Questions

Q. Money Bills can be introduced in the Lok Sabha with prior permission of the
Q. Sex ratio refers to number of woman ?
Q. Which is regarded as the staple food-crop of the world ?
Q. Processes that shape the earth’s surface include
Q. Rate of interest is determined by
Q. The members of Estimates Committee are

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Assam Direct Recruitment Test Series

GK Topics