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- Question
What is the resolution of a digital-to-analog converter (DAC)?
Options- A. It is the comparison between the actual output of the converter and its expected output.
- B. It is the deviation between the ideal straight-line output and the actual output of the converter.
- C. It is the smallest analog output change that can occur as a result of an increment in the digital input.
- D. It is its ability to resolve between forward and reverse steps when sequenced over its entire range.
- Correct Answer
- It is the smallest analog output change that can occur as a result of an increment in the digital input.
- 1. An isolation amplifier provides ac isolation between input and output.
Options- A. True
- B. False Discuss
- 2. A parallel tuned circuit can be used to couple energy from one circuit to another.
Options- A. True
- B. False Discuss
- 3. The characteristic that a change of one binary step on the input of a digital-to-analog converter (DAC) should cause exactly one step change on the output is called ________.
Options- A. resolution
- B. monotonicity
- C. linearity
- D. accuracy Discuss
- 4. A two-pole high-pass active filter would have a roll-off rate of
Options- A. 40 dB/decade
- B. ?40 dB/decade
- C. 20 dB/decade
- D. ?20 dB/decade Discuss
- 5. The binary coded decimal (BCD) code is a system that represents each of the 10 decimal digits as a(n) ____________.
Options- A. 4-bit binary code
- B. 8-bit binary code
- C. 16-bit binary code
- D. ASCII code Discuss
- 6. ________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.
Options- A. Substandard
- B. Dual
- C. Recessive approximation
- D. Successive approximation Discuss
- 7. The purpose of compensation for a thermocouple is
Options- A. to decrease temperature sensitivity
- B. to increase voltage output
- C. to cancel unwanted voltage output of a thermocouple
- D. used for high-temperature circuits Discuss
- 8. When is a P-N junction formed?
Options- A. in a depletion region
- B. in a large reverse biased region
- C. the point at which two opposite doped materials come together
- D. whenever there is a forward voltage drop Discuss
- 9. The current through a resistor can be found by dividing the resistor's voltage by its ohmic value.
Options- A. True
- B. False Discuss
- 10. The hypotenuse of the right triangle of a vector diagram for R and XC is _______________.
Options- A. impedance
- B. current
- C. voltage
- D. power Discuss
More questions
Correct Answer: False
Correct Answer: True
Correct Answer: monotonicity
Correct Answer: ?40 dB/decade
Correct Answer: 4-bit binary code
Correct Answer: Successive approximation
Correct Answer: to cancel unwanted voltage output of a thermocouple
Correct Answer: the point at which two opposite doped materials come together
Correct Answer: True
Correct Answer: impedance
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