Digital Signal Processing MCQ

Test your knowledge with important Digital Signal Processing MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Digital Signal Processing MCQs at Bissoy

• Which of the following is not possible when the signal is analog?
  ক

  Phase shifting

  খ

  Equalization

  গ

  Modulation

  ঘ

  Data compression
• What is the program that is used to speed the spectrum analysis process?
  ক

  DDFT

  খ

  FDFT

  গ

  FGPA

  ঘ

  Fast Fourier transforms
• What is the process of examining the frequency content of a signal?
  ক

  Signal decoding

  খ

  Spectrum analysis

  গ

  Signal analysis

  ঘ

  Data analysis
• Reduction in the number of binary words required to represent an analog signal is called ________
  ক

  Undersampling

  খ

  Oversampling

  গ

  Data compression

  ঘ

  Data minimization
• Selectivity in a DSP is better than its analog equivalent.
  ক

  True

  খ

  False
• What is the reason for the need of high speed DSP?
  ক

  Less power consumption at higher speeds

  খ

  Better processing capabilities

  গ

  High sampling frequency

  ঘ

  Easily programmable
• Which type of architecture uses different storage space for program code and the data?
  ক

  Von Neumann architecture

  খ

  Harvard architecture

  গ

  Fragmented architecture

  ঘ

  Split cell architecture
• What is the accessibility limitation of only one data or instruction set at a time from the memory called?
  ক

  Von Neumann limitation

  খ

  Von Neumann limit

  গ

  Von Neumann speed

  ঘ

  Von Neumann bottleneck
• Who is credited with creating the stored program concept?
  ক

  John Von Neumann

  খ

  Larry Page

  গ

  Alan Turing

  ঘ

  Ken Thompson
• What happens after the signal is passed through the analog to digital converter in a DSP?
  ক

  Changed back to analog

  খ

  Stored in a RAM

  গ

  Amplified

  ঘ

  Attenuated
• Any digital computer can be used for DSP.
  ক

  True

  খ

  False
• In a D/A converter, the usual way to solve the glitch is to use deglitcher. How is the Deglitcher designed?
  ক

  By using a low pass filter

  খ

  By using a S/H circuit

  গ

  By using a low pass filter & S/H circuit

  ঘ

  None of the mentioned
• In D/A converter, the application of the input code word results in a high-amplitude transient, called?
  ক

  Glitch

  খ

  Deglitch

  গ

  Glitter

  ঘ

  None of the mentioned
• The time required for the output of the D/A converter to reach and remain within a given fraction of the final value, after application of the input code word is called?
  ক

  Converting time

  খ

  Setting time

  গ

  Both Converting & Setting time

  ঘ

  None of the mentioned
• D/A conversion is usually performed by combining a D/A converter with a sample-and-hold (S/H ) and followed by a low pass (smoothing) filter.
  ক

  True

  খ

  False
• The ideal reconstruction filter is an ideal low pass filter and its impulse response extends for all time.
  ক

  True

  খ

  False
• The reconstruction of the signal from its samples as a linear filtering process in which a discrete-time sequence of short pulses (ideally impulses) with amplitudes equal to the signal samples, excites an analog filter.
  ক

  True

  খ

  False
• In the practical A/D converters, if the differences between transition values are not all equal or uniformly changing, then such error is known as?
  ক

  Scale-factor error

  খ

  Offset error

  গ

  Linearity error

  ঘ

  All of the mentioned
• In the practical A/D converters, if the difference between the values at which the first transition and the last transition occur is not equal to FS – 2LSB, then such error is known as _________
  ক

  Scale-factor error

  খ

  Offset error

  গ

  Linearity error

  ঘ

  All of the mentioned
• In the practical A/D converters, if the first transition may not occur at exactly + 1/2 LSB, then such kind of error is known as ____________
  ক

  Scale-factor error

  খ

  Offset error

  গ

  Linearity error

  ঘ

  All of the mentioned
• What is the step size or the resolution of an A/D converter?
  ক

  Δ = (R)/2(b+1)

  খ

  Δ = (R)/2(b-1)

  গ

  Δ = (R)/3(b+1)

  ঘ

  Δ = (R)/2
• What is the term used to describe the range of an A/D converter for uni-polar signals?
  ক

  Full scale

  খ

  FSR

  গ

  Full-scale region

  ঘ

  FSS
• What is the term used to describe the range of an A/D converter for bipolar signals?
  ক

  Full scale

  খ

  FSR

  গ

  Full-scale region

  ঘ

  FS
• What is the type of quantizer, if a Zero is assigned a decision level?
  ক

  Midrise type

  খ

  Mid tread type

  গ

  Mistreat type

  ঘ

  None of the mentioned
• What is the type of quantizer, if a Zero is assigned a quantization level?
  ক

  Midrise type

  খ

  Mid tread type

  গ

  Mistreat type

  ঘ

  None of the mentioned
• The basic task of the A/D converter is to convert a discrete set of digital code words into a continuous range of input amplitudes.
  ক

  True

  খ

  False
• In the equation x(t) = a(t)cos, Which of the following relations between a(t) and x(t), θ(t) and x(t) are true?
  ক

  , Which of the following relations between a(t) and x(t), θ(t) and x(t) are true? ] a(t), θ(t) are called the Phases of x(t)

  খ

  2πFct+θ(t)

  গ

  2πFct+θ(t)

  ঘ

  2πFct+θ(t)
• In the equation x(t) = Re\(\), What is the lowpass signal xl (t) is usually called the ___ of the real signal x(t).
  ক

  \), What is the lowpass signal xl (t) is usually called the ___ of the real signal x(t). ] Mediature envelope

  খ

  x_l (t) e^{j2πF_c t}

  গ

  x_l (t) e^{j2πF_c t}

  ঘ

  x_l (t) e^{j2πF_c t}
• What is the other way of representation of bandpass signal x(t)? \) b) x(t) = Re\(\) c) x(t) = Re\(\) d) x(t) = Re\(\)
  ক

  x(t) = Re\(\)

  খ

  x_l (t) e^{j2πF_c t}

  গ

  x_l (t) e^{j2πF_c t}

  ঘ

  x_l (t) e^{j2πF_c t}
• In the relation, x(t) = \(u_c (t) cos⁡2π \,F_c \,t-u_s (t) sin⁡2π \,F_c \,t\) the low frequency components uc and us are called _____________ of the bandpass signal x(t).
  ক

  Quadratic components

  খ

  Quadrature components

  গ

  Triplet components

  ঘ

  None of the mentioned