Exercise: Digital Signal Processing

Questions for: Digital Signal Processing

The resolution of a 6-bit DAC is ________.
A:
63%
B:
64%
C:
15.9%
D:
1.59%
Answer: D
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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: B
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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: B
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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: D
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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: D
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