Question 51 : Which of the following is the odd component of the signal x(t)=e^(jt)?
1. cost
2. j*sint
3. j*cost
4. sint
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Question 52 : What are the important block(s) required to process an input analog signal to get an output analog signal?
1. A/D converter
2. Digital signal processor
3. D/A converter
4. All of the mentioned
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Question 53 : What is the physical device that performs an operation on the signal?
1. Signal source
2. System
3. Medium
4. None of the mentioned
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Question 54 : Which of the following is a digital-to-analog conversion process?
1. Staircase approximation
2. Linear interpolation
3. Quadratic interpolation
4. All of the mentioned
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Question 55 : What is the nyquist rate of the signal x(t)=3cos(50*pi*t)+10sin(300*pi*t)-cos(100*pi*t)?
1. 50Hz
2. 100Hz
3. 200Hz
4. 300Hz
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