MCQs: The interface between an analog signal and a digital processor is
Category: Electronic Engineering Questions, Published by: TCode Scripts

MCQs: The speech signal is obtained after
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MCQs: Telegraph signals are examples of
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MCQs: As compared to the analog systems, the digital processing of signals allow
1) Programmable operations
2) Flexibility in the system design
3) Cheaper systems
4) More reliability
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MCQs: The Nyquist theorem for sampling
1) Relates the conditions in time domain and frequency domain
2) Helps in quantization
3) Limits the bandwidth requirement
4) Gives the spectrum of the signal
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MCQs: Rolloff factor is
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MCQs: A discrete time signal may be
1) Samples of a continuous signal
2) A time series which is a domain of integers
3) Time series of sequence of quantities
4) Amplitude modulated wave
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MCQs: DTFT is the representation of
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MCQs: The transforming relations performed by DTFT are
1) Linearity
2) Modulation
3) Shifting
4) Convolution
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MCQs: The DFT is preferred for
1) Its ability to determine the frequency component of the signal
2) Removal of noise
3) Filter design
4) Quantization of signal
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MCQs: Frequency selectivity characteristics of DFT refers to
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MCQs: The Cooley–Tukey algorithm of FFT is a
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MCQs: FFT may be used to calculate
1) DFT
2) IDFT
3) Direct Z transform
4) In direct Z transform
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MCQs: DIT algorithm divides the sequence into
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MCQs: The transformations are required for
1) Analysis in time or frequency domain
2) Quantization
3) Easier operations
4) Modulation
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MCQs: The similarity between the Fourier transform and the z transform is that
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MCQs: The ROC of a system is the
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MCQs: The several ways to perform an inverse Z transform are
1) Direct computation
2) Long division
3) Partial fraction expansion with table lookup
4) Direct inversion
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MCQs: The anti causal sequences have ______ components in the left hand sequences.
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MCQs: For an expanded power series method, the coefficients represent
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