Explore topic-wise MCQs in Digital Signal Processing.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

In the practical A/D converters, if the differences between transition values are not all equal or uniformly changing, then such error is known as?

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
2.

In the practical A/D converters, if the difference between the values at which the first transition and the last transition occur is not equal to FS – 2LSB, then such error is known as _________

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» B. Offset error
Discussion
3.

In the practical A/D converters, if the first transition may not occur at exactly + 1/2 LSB, then such kind of error is known as ____________

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» C. Linearity error
Discussion
4.

What is the step size or the resolution of an A/D converter?

A. Δ = (R)/2(b+1)
B. Δ = (R)/2(b-1)
C. Δ = (R)/3(b+1)
D. Δ = (R)/2
Answer» B. Δ = (R)/2(b-1)
Discussion
5.

What is the fixed range of the quantization error eq(n)?

A. –\(\frac{\Delta}{6}\) < eq(n) ≤ \(\frac{\Delta}{6}\)
B. –\(\frac{\Delta}{4}\) < eq(n) ≤ \(\frac{\Delta}{4}\)
C. –\(\frac{\Delta}{2}\) < eq(n) ≤ \(\frac{\Delta}{2}\)
D. –\(\frac{\Delta}{16}\) < eq(n) ≤ \(\frac{\Delta}{16}\)
Answer» D. –\(\frac{\Delta}{16}\) < eq(n) ≤ \(\frac{\Delta}{16}\)
Discussion
6.

What is the term used to describe the range of an A/D converter for uni-polar signals?

A. Full scale
B. FSR
C. Full-scale region
D. FSS
Answer» B. FSR
Discussion
7.

What is the type of quantizer, if a Zero is assigned a decision level?

A. Midrise type
B. Mid tread type
C. Mistreat type
D. None of the mentioned
Answer» B. Mid tread type
Discussion
8.

WHAT_IS_THE_STEP_SIZE_OR_THE_RESOLUTION_OF_AN_A/D_CONVERTER??$

A. ∆ = (R)/2<sup>(b+1)</sup>
B. ∆ = (R )/2<sup>(b-1)</sup>
C. ∆ = (R )/3<sup>(b+1)</sup>
D. ∆ = (R )/2
Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫ = (R )/2<sup>(b-1)</sup>
Discussion
9.

In the practical A/D converters, if the difference between the values at which the first transition and the last transition occur is not equal to FS – 2LSB, then such error is known as _________$#

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» B. Offset error
Discussion
10.

In_the_practical_A/D_converters,_if_the_first_transition_may_not_occur_at_exactly_+_1/2_LSB_,then_such_kind_of_error_is_known_as_____________$

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» C. Linearity error
Discussion
11.

In_the_practical_A/D_converters,_if_the_differences_between_transition_values_are_not_all_equal_or_uniformly_changing,_then_such_error_is_known_as_?

A. Scale-factor error
B. Offset error
C. Linearity error
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
12.

What is the relation defined by the operation of quantizer?

A. x<sub>q</sub>(n) ≡ Q[x(n)]= x<sub>k</sub>
B. x<sub>q</sub>(n) = Q[x(n)]= x<sub>k</sub> , if x(n) ‚àà I_k
C. x<sub>q</sub>(k) ≡ Q[x(k)]= x<sub>k</sub>
D. None of the mentioned
Answer» C. x<sub>q</sub>(k) ‚Äö√Ñ√∂‚àö¬¢¬¨‚àû Q[x(k)]= x<sub>k</sub>
Discussion
13.

If the dynamic range of the signal is smaller than the range of quantizer, the samples that exceed the quantizer are clipped, resulting in large quantization error.

A. True
B. False
Answer» C.
Discussion
14.

What is the fixed range of the quantization error eq(n)?

A. – ∆/6 < e<sub>q</sub>(n) ≤ ∆/6
B. – ∆/4 < e<sub>q</sub>(n) ≤ ∆/4
C. – ∆/2 <e<sub>q</sub>(n) ≤ ∆/2
D. – ∆/16 <e<sub>q</sub>(n) ≤ ∆/16
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫/16 <e<sub>q</sub>(n) ‚Äö√Ñ√∂‚àö¬¢¬¨√ü ‚Äö√Ñ√∂‚àö‚Ć‚àö√∫/16
Discussion
15.

What is the term used to describe the range of an A/D converter for bipolar signals?

A. Full scale
B. FSR
C. Full-scale region
D. FS
Answer» C. Full-scale region
Discussion
16.

What is the type of quantizer, if a Zero is assigned a quantization level?

A. Midrise type
B. Mid tread type
C. Mistreat type
D. None of the mentioned
Answer» C. Mistreat type
Discussion
17.

The basic task of the A/D converter is to convert a discrete set of digital code words into a continuous range of input amplitudes.

A. True
B. False
Answer» C.
Discussion