Digital Signal Processing - General Questions

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Digital Signal Processing - General Questions

1.

Settling time is normally defined as the time it takes a DAC to settle within ________.

A.	1/8 LSB of its final value when a change occurs in the input code
B.	1/4 LSB of its final value when a change occurs in the input code
C.	1/2 LSB of its final value when a change occurs in the input code
D.	1 LSB of its final value when a change occurs in the input code

Answer: Option C

Explanation:

No answer description available for this question.

2.

Which is not an A/D conversion error?

A.	Differential nonlinearity
B.	Missing code
C.	Incorrect code
D.	Offset

Answer: Option A

Explanation:

No answer description available for this question.

3.

Which of the following best defines Nyquist frequency?

A.	The frequency of resonance for the filtering circuit
B.	The second harmonic
C.	The lower frequency limit of sampling
D.	The highest frequency component of a given analog signal

Answer: Option D

Explanation:

No answer description available for this question.

4.

Which type of programming is typically used for digital signal processors?

A.	Assembly language
B.	Machine language
C.	None of the above

Answer: Option A

Explanation:

No answer description available for this question.

5.

How are unwanted frequencies removed prior to digital conversion?

A.	Pre-filters
B.	Digital signal processing
C.	Sample-and-hold circuits
D.	All of the above

Answer: Option A

Explanation:

No answer description available for this question.

6.

What do we call the manipulation of an analog signal in a digital domain?

A.	Analog-to-digital conversion
B.	Digital-to-analog conversion
C.	Digital signal processing
D.	Signal filtering

Answer: Option B

Explanation:

No answer description available for this question.

7.

If a DAC has a full-scale, or maximum, output of 12 V and accuracy of 0.1%, then the maximum error for any output voltage is ________.

A.	12 V
B.	120 mV
C.	12 mV
D.	0 V

Answer: Option C

Explanation:

No answer description available for this question.

8.

Which is a typical application of digital signal processing?

A.	Noise elimination
B.	Music signal processing
C.	Image processing
D.	All of the above

Answer: Option D

Explanation:

No answer description available for this question.

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