Digital Signal Processing MCQ

Below Digital Signal Processing quiz are Multiple Choice Questions (MCQs) type Quiz. These Digital Signal Processing MCQ Questions helps you to refresh your Digital Signal Processing, you can see the correct option by clicking on it. .
  • 1. Any unwanted signal interfering with the main signal is

    • System
    • Noise
    • Frequency
    • None
  • 2. Frequency selectivity characteristics of DFT refers to

    • Ability to resolve different frequency components from input signal
    • Ability to translate into frequency domain
    • Ability to convert into discrete signal
    • None of the above
  • 3. Fiber-optic cables are better than copper cables because...

    • they carry less information
    • they carry about a thousand times more information per second.
    • they take up less space
    • they take up more space
  • 4. Telegraph signals are examples of

    • Digital signals
    • Analog signals
    • Impulse signals
    • Pulse train
  • 5. The similarity between the Fourier transform and the z transform is that

    • Both convert frequency spectrum domain to discrete time domain
    • Both convert discrete time domain to frequency spectrum domain
    • Both convert analog signal to digital signal
    • Both convert digital signal to analog signal
  • 6. The interface between an analog signal and a digital processor is

    • D/A converter
    • A/D converter
    • Modulator
    • Demodulator
  • 7. The circular convolution of two sequences in time domain is equivalent to

    • Multiplication of DFTs of two sequences
    • Summation of DFTs of two sequences
    • Difference of DFTs of two sequences
    • Square of multiplication of DFTs of two sequences
  • 8. DFT is applied to

    • Infinite sequences
    • Finite discrete sequences
    • Continuous infinite signals
    • Continuous finite sequences
  • 9. DTFT is the representation of

    • Periodic Discrete time signals
    • Aperiodic Discrete time signals
    • Aperiodic continuous signals
    • Periodic continuous signals