Digital Electronics - Digital Signal Processing

Exercise :: Digital Signal Processing - General Questions

6. 

The ADC0804 is an example of a ________.

A. single-slope analog-to-digital converter
B. dual-slope analog-to-digital converter
C. digital-ramp analog-to-digital converter
D. successive-approximation analog-to-digital converter

Answer: Option D

Explanation:

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7. 

In a digital representation of voltages using an 8-bit binary code, how many values can be defined?

A. 16
B. 64
C. 128
D. 256

Answer: Option D

Explanation:

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8. 

A 4-bit R/2R ladder digital-to-analog converter uses ________.

A. one resistor value
B. two resistor values
C. three resistor values
D. four resistor values

Answer: Option B

Explanation:

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9. 

A binary-weighted-input digital-to-analog converter has a feedback resistor, Rf, of 12 k. If 50 A of current is through the resistor, voltage out of the circuit is ________.

A. 0.6 V
B. –0.6 V
C. 0.1 V
D. –0.1 V

Answer: Option B

Explanation:

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10. 

The resolution of a 6-bit DAC is ________.

A. 63%
B. 64%
C. 15.9%
D. 1.59%

Answer: Option D

Explanation:

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