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Digital Signal Processing Questions and Answers | Digital Signal Processing MCQs

Free download in PDF Digital Signal Processing Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) What is the largest floating point number that can be represented using a 32-bit word?
[A] 3*1038
[B] 1.7*1038
[C] 0.2*1038
[D] 0.3*1038
Answer: 1.7*1038
(2) If E=0 and M=0, then which of the following statement is true about X?
[A] Not a number
[B] Infinity
[C] Defined
[D] Zero
Answer: Zero
(3) The truncation error for the sign magnitude representation is symmetric about zero.
[A] True
[B] False
Answer: True
(4) What is the range of round-off error for a foxed point representation?
[A] [-0.5(2-b+2-bm), 0.5(2-b+2-bm)]
[B] [0, (2-b+2-bm)]
[C] [0, (2-b-2-bm)]
[D] [-0.5(2-b-2-bm), 0.5(2-b-2-bm-bm)]
Answer: [-0.5(2-b-2-bm), 0.5(2-b-2-bm-bm)]
(5) What is the 2’s complement of (1100)2?
[A] (0100)2
[B] (0011)2
[C] (0111)2
[D] (1100)2
Answer: (0100)2
(6) The binary digit b-A is called as ______________
[A] LSB
[B] Total value
[C] MSB
[D] None of the mentioned
Answer: MSB
(7) If E=255 and M≠0, then which of the following statement is true about X?
[A] Not a number
[B] Infinity
[C] Defined
[D] Zero
Answer: Not a number
(8) When the frequency band is selected we can specify the sampling rate and the characteristics of the pre filter, which is also called as __________ filter.
[A] Analog filter
[B] Anti aliasing filter
[C] Analog & Anti aliasing filter
[D] None of the mentioned
Answer: Anti aliasing filter
(9) What are the main characteristics of Anti aliasing filter?
[A] Ensures that bandwidth of signal to be sampled is limited to frequency range
[B] To limit the additive noise spectrum and other interference, which corrupts the signal
[C] All of the mentioned
[D] None of the mentioned
Answer: All of the mentioned
(10) In general, a digital system designer has better control of tolerances in a digital signal processing system than an analog system designer who is designing an equivalent analog system.
[A] True
[B] False
Answer: True
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