Sampling & Quantization MCQs : This section focuses on the "Sampling & Quantization". These Multiple Choice Questions (MCQs) should be practiced to improve the Sampling & Quantization skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
A to D conversion process uses
A. Sampler
B. Quantizer
C. Sampler & Quantizer
D. None of the mentioned
Question 2
Auto-correlation function is a
A. Even function
B. Odd function
C. Even & Odd function
D. None of the mentioned
Question 3
Decreasing the data rate is called as
A. Aliasing
B. Down sampling
C. Up sampling
D. None of the mentioned
Question 4
Delay element in delta modulation acts as
A. First order predictor
B. Second order predictor
C. Third order predictor
D. Fourth order predictor
Question 5
Different cases of sampling include
A. Ideal impulse sampling
B. Flat-topped sampling
C. Sampling with rectangular pulses
D. All of the mentioned
Question 6
In which mixing is easier?
A. Analog signal
B. Digital signal
C. Analog & Digital signal
D. None of the mentioned
Question 7
Original signal came to be retraced from sampled version using
A. Low pass filtering
B. High pass filtering
C. Low & High pass filtering
D. None of the mentioned
Question 8
Reconstruction filter is difficult to implement in hardware.
A. TRUE
B. FALSE
Question 9
Shot noise occurs in
A. Transistors
B. Valves
C. Transistors & Valves
D. None of the mentioned
Question 10
Source coding reduces
A. Redundancy
B. Average bit rate
C. Redundancy & Average bit rate
D. None of the mentioned
Question 11
The quantization will be finer when
A. Smaller the number of discrete amplitudes
B. Larger the number of discrete amplitudes
C. Does not depend on amplitudes
D. None of the mentioned
Question 12
The signal can be reconstructed
A. At Nyquist rate
B. Above Nyquist rate
C. At & above the Nyquist rate
D. None of the mentioned
Question 13
To avoid aliasing
A. Reduce the bandwidth
B. Cut out high frequency
C. Reduce the bandwidth & Cut out high frequency
D. None of the mentioned
Question 14
Transmitted pulse becomes distorted due to
A. Ideal transmission characteristic
B. Non ideal transmission characteristic
C. All of the mentioned
D. None of the mentioned
Question 15
Using ARMA filter
A. Sampling can be done in real time
B. Gives sharp output
C. All of the mentioned
D. None of the mentioned
Question 16
Which device is needed for the reconstruction of signal?
A. Low pass filter
B. Equalizer
C. Low pass filter & Equalizer
D. None of the mentioned
Question 17
Which filter does not have sharp output?
A. Linear phase filter
B. Delayed symmetric filter
C. Linear phase & Delayed symmetric filter
D. None of the mentioned
Question 18
Which process requires low pass filter?
A. Up-sampling
B. Down-sampling
C. Up-sampling & Down-sampling
D. None of the mentioned
Question 19
Which signals are function of time?
A. Random signal
B. Deterministic signal
C. Random & Deterministic signal
D. None of the mentioned