DIGITAL SIGNAL PROCESSING
Multiple choice Question Template
BRIEF INFORMATION
1. Name of College: TKIET Warananagar
2. Name of Subject: DIGITAL SIGNAL PROCESSING
3. Subject Code:
4. Name of Faculty/ Teacher: Prof. D. G. Chougule
5. Designation: Professor
6. Experience (in Years):33
7. Status: Approved /Ad-hoc : Approved
8. Cell No.:9890370696
9. Mail Id: dgchougule@tkietwarana.ac.in
Id 1
Question Linearity Property of DTFT is
A
Marks 2
Unit I
Id 2
Question Convolution Property of DTFT is
A
Marks 2
Unit I
Id 3
Question DFT of x[n] is given by
A
Marks 2
Unit II
Id 4
Question If x[n]={1,2,3,4} and X(k) is its DFT then X(0) will be
A 2-2j
B 10
C 2+2j
D -2
Marks 2
Unit II
Id 5
Question If x[n]={1,2,3,4} and X(k) is its DFT then X(1) will be
A 10
B -6
C -2+2j
D 2-2j
Marks 2
Unit I
Id 6
Question If x[n]={1,2,3,4} and X(k) is its DFT then X(2) will be
A 2+2j
B 10
C -2
D -2+2j
Marks 2
Unit
Id 7
Question If x[n]={1,2,3,4} and X(k) is its DFT then X(3) will be
A -2
B -2+2j
C 2+2j
D -2-2j
Marks 2
Unit
Id 8
Question Overlap add algorithm is used to compute
A DFT
B IDFT
C Sectioned convolution
D None of the above
Marks
Unit
Id 9
Question Overlap save algorithm is used to compute
A DFT
B IDFT
C Sectioned convolution
D None of the above
Marks 2
Unit
Id 10
Question Radix 2 DIT algorithm is used to compute
A DFT
B IDFT
C Both of the above
D None of the above
Marks 2
Unit
Id 11
Question Radix 2 DIF algorithm is used to compute
A DFT
B IDFT
C Both of the above
D None of the above
Marks 2
Unit
Id 12
Question FIR LPF can be designed using
A Radix 2 DIF
B Fourier Series
C Both of the above
D None of the above
Marks
Unit
Id 13
Question FIR BPF can be designed using
A Radix 2 DIF
B Fourier Series
C Both of the above
D None of the above
Marks 2
Unit
Id 14
Question Important limitation of Fourier Transform is
A Loss of Energy
B Loss of time information
C Loss of frequency information
D All of the above
Marks 2
Unit 2
Id 15
Question STFT is
A Sequential Time Fourier Transform
B Simple Tool Fourier Transform
C Short Time Fourier Transform
D Sequential Tool Frequency Taping
Marks 2
Unit 2
Id 16
Question Wavelet Transform has following advantage over Fourier Transform
A Simple to understand
B Better time frequency resolution
C Better quantization
D Better S/N ratio
Marks 2
Unit 2
Id 17
Question Wavelet Transform of time domain signal x(t) results in
A Frequency domain signal
B Time domain Signal
C Time and Frequency domain signal
D None of the above
Marks 2
Unit 2
Id 18
Question If impulse response of system is h(n) = { 1,2,3,3,3,2,1}
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 19
Question If impulse response of system is h(n) = { -3,-2,-1,0,1,2,3}
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 20
Question
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 21
Question
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 22
Question
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 23
Question Bilinear Transform is used to design
A Design Filter in time domain
B Design Filter in frequency domain
C Convert filter design from continuous domain to discrete domain
D Convert filter design from discrete domain to continuous domain
Marks 2
Unit 3
Id 24
Question In filter design Frequency Transformation can be used to
A Convert LPF to HPF
B Convert HPF to LPF
C Both of the above
D None of the above
Marks 2
Unit 3
Id 25
Question If x(n) ={1, 2, 3, 4, 5, 6, 7, 8 } then obtaining y(n)= x(n/2) from x(n) is
A Interpolation
B Decimation
C Division
D None of the above
Marks 2
Unit 6
Id 26
Question If x(n) ={1, 2, 3, 4, 5, 6, 7, 8 } then obtaining y(n)= x(3n) from x(n) is
A Interpolation
B Decimation
C Division
D None of the above
Marks 2
Unit 6
Id 27
Question If x(n) = {1, 2, 3, 4, 5, 6, 7, 8 } then if y(n)=x(2n) will be
A {2, 4, 6, 8, 10, 12, 14, 16 }
B {1, 0, 3, 0, 5, 0, 7, 0 }
C {1, 3, 5, 7, }
D {1, 2, 3, 4, 0, 0, 0, 0 }
Marks 2
Unit 6
Id 28
Question If x(n) = {1, 2, 3, 4, 5, 6, 7, 8 } then if y(n)=x(n/2) will be
A {0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4 }
B {1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8 }
C {1, 3, 5, 7, }
D None of the above
Marks 2
Unit 6
Id 29
Question Realization of system in cascade form requires to represent transfer
function in the following form
A Partial fraction of transfer function
B Pole zero form of transfer function
C Polynomial form of transfer function
D None of the above
Marks 2
Unit 6
Id 30
Question Realization of system in parallel form requires to represent transfer
function in the following form
A Partial fraction of transfer function
B Pole zero form of transfer function
C Polynomial form of transfer function
D None of the above
Marks 2
Unit 6
Id 31
Question
A Is linearity property
B Is time shifting property
C Is modulation property
D None of the above
Marks 2
Unit 1
Id 32
Question
A Is linearity property
B Is time shifting property
C Is modulation property
D Is frequency shifting property
Marks 2
Unit 1
Id 33
Question
A Is used to compute Fourier Transform
B Is used to compute Discrete Fourier Transform
C Is used to compute Fourier series
D None of the above
Marks 2
Unit 1
Id 34
Question If x[n]={4,3,1,1} and X(k) is its DFT then X(0) will be
A 2-2j
B 10
C 2+2j
D -2
Marks 2
Unit II
Id 35
Question If x[n]={0,1,2,3 } and X(k) is its DFT then X(0) will be
A 10
B 2.7
C 2-2j
D 6
Marks 2
Unit II
Id 36
Question Sectioned convolution can be computed using
A Overlap add algorithm
B Overlap save algorithm
C Both of the above
D None of the above
Marks 2
Unit 2
Id 37
Question If impulse response of system is h(n) = { 1,-1,1,-1}
A It is IIR filter
B It is FIR filter
C It is unstable system
D None of the above
Marks 2
Unit 3
Id 38
Question If x(n) = {1, 2, 3, 4} and y(n)] = { 0, 1, 2 } then if y(n)+x(n) will be
A {1, 2, 3, 4,0,1,2}
B {1, 3, 5, 4}
C {2, 4, 3, 4} }
D None of the above
Marks 2
Unit 1
Id 39
Question If x(n) = {1, 2, 3, 4} is Z transform X(z) is
A X(z)= 10z
B X(z)= z/10
C X(z)= 10/z
D None of the above
Marks 2
Unit 2
Id 40
Question If x(n) = {4, 3, 3, 4} is Z transform X(z) is
A X(z)= 14z + 14/z
B X(z)= 14z
C X(z)= 14/z
D None of the above
Marks 2
Unit 2
Id 41
Question If x(n) = {1, 2, 3, 4} is Z transform X(z) is
A
D None of the above
Marks 2
Unit 2
Id 42
Question
A { 3, 4, 6}
B { 3, 0, 0, 4,0, 6}
C 3n+4(n-3)+6(n-6)
D None of the above
Marks 2
Unit 2
Id 43
Question Realization of system with M zeros and N poles in Direct form I
requires
A M storage elements
B N storage elements
C M+N storage elements
D None of the above
Marks 2
Unit 6
Id 44
Question Realization of system with M zeros and N poles in Direct form II
requires
A M storage elements
B N storage elements
C M+N storage elements
D None of the above
Marks 2
Unit 6
Id 45
Question Realization of system with M zeros and N poles in Direct form II
requires
A Minimum of M and N storage elements
B Maximum of M and N storage elements
C M-N storage elements
D None of the above
Marks 2
Unit 6
Id 46
Question Realization of third order system in Direct form II requires
A 2 storage elements
B 3 storage elements
C Data insufficient
D None of the above
Marks 2
Unit 6
Id 47
Question For FIR Low Pass filter , windowing results in
A Simple implementation
B Reduction in Energy Leakage in side lobes
C Increase in Energy Leakage in side lobes
D None of the above
Marks 2
Unit 3
Id 48
Question For FIR Low Pass filter , design with Hanning window results in
A Simple implementation
B Reduction in Energy Leakage in side lobes
C Increase in Energy Leakage in side lobes
D None of the above
Marks 2
Unit 3
Id 49
Question Filter design using approximation of derivative is used to design
A IIR Filter
B FIR Filter
C Low Pass
D High Pass
Marks 2
Unit 4
Id 50
Question Impulse invariant method is used to design
A IIR Filter
B FIR Filter
C Low Pass
D High Pass
Marks 2
Unit 4
Id 51
Question Frequency warping is effect of
A FIR filter
B IIR filter
C BLT
D Canonical form design
Marks 2
Unit 4
Id 52
Question Effect of finite word length in digital system design is
A Low Noise
B Low S/N ratio
C High S/N ratio
D None of the above
Marks 2
Unit 5
Id 53
Question Effect of increasing word length in digital system design is
A Less Memory Required
B Low S/N ratio
C High S/N ratio
D None of the above
Marks 2
Unit 5
Id 54
Question Quantization error in digital system is effect of
A Less Memory
B Finite word length
C Computation speed
D All of the above
Marks 2
Unit 5
Id 55
Question Limit cycle oscillations is result of
A Sampling
B Quantization
C Both of above
D None of the above
Marks 2
Unit 5
Id 56
Question If y(n) = x(n/2) system is using
A Decimation
B Interpolation
C Quantization
D None of the above
Marks 2
Unit 6
Id 57
Question If y(n) = x(3n) system is using
A Decimation
B Interpolation
C Quantization
D None of the above
Marks 2
Unit 6
Id 58
Question If y(n) = x(3n/2) system is using
A Decimation
B Interpolation
C Quantization rate conversion
D Sampling rate conversion
Marks 2
Unit 6
Id 59
Question TMS 320 series DSP processors has
A IOT interface
B Ethernet connectivity
C Floating point ALU
D All of the above
Marks 2
Unit 5
Id 60
Question TMS 320 series DSP processors has
A Circular addressing mode
B Memory mapped register addressing
C Both of above
D None of the above
Marks 2
Unit 5
