Digital Signal Processing Questions and Answers | Digital Signal Processing MCQs

Questions
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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