Digital Signal Processing Multiple Choice Questions and Answers

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

View Answer

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

View Answer

Answer:Zero

3 The truncation error for the sign magnitude representation is symmetric about zero.

A True

B False

View Answer

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)]

View Answer

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

View Answer

Answer:(0100)₂

6 The binary digit b_-A is called as ______________

A LSB

B Total value

C MSB

D None of the mentioned

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer