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- Question
Which of the following is a type of error associated with digital-to-analog converters (DACs)?
Options- A. nonmonotonic error
- B. incorrect output codes
- C. offset error
- D. nonmonotonic and offset error
- Correct Answer
- nonmonotonic and offset error
- 1.
Calculate the magnitude of the impedance in the given circuit.
Options- A. 24.1 MΩ
- B. 10 MΩ
- C. 26.1 MΩ
- D. 0 Ω Discuss
- 2. What is the circuit's total current?
Options- A. 4.57 mA
- B. 9.327 mA
- C. 11.570 mA
- D. 13.830 mA Discuss
- 3. Sample-and-hold circuits in ADCs are designed to:
Options- A. sample and hold the output of the binary counter during the conversion process
- B. stabilize the ADCs threshold voltage during the conversion process
- C. stabilize the input analog signal during the conversion process
- D. sample and hold the ADC staircase waveform during the conversion process Discuss
- 4. The major difference between ground and virtual ground is that virtual ground is only a:
Options- A. voltage reference
- B. current reference
- C. power reference
- D. difference reference Discuss
- 5. The input offset current equals the
Options- A. average of two base currents
- B. collector current divided by the current gain
- C. difference between two base-emitter voltages
- D. difference between two base currents Discuss
- 6. Power stored from the source and then returned to the source is called:
Options- A. apparent power
- B. impedance power
- C. reactive power
- D. true power Discuss
- 7. What is the current gain for a common-base configuration where IE = 4.2 mA and IC = 4.0 mA?
Options- A. 16.80
- B. 1.05
- C. 0.20
- D. 0.95 Discuss
- 8. Select one of the following statements that best describes the parity method of error detection:
Options- A. Parity checking is best suited for detecting single-bit errors in transmitted codes.
- B. Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
- C. Parity checking is not suitable for detecting single-bit errors in transmitted codes.
- D. Parity checking is capable of detecting and correcting errors in transmitted codes. Discuss
- 9. In order to use a shift register as a counter, ________.
Options- A. the register's serial input is the counter input and the serial output is the counter output
- B. the parallel inputs provide the input signal and the output signal is taken from the serial data output
- C. a serial-in, serial-out register must be used
- D. the serial output of the register is connected back to the serial input of the register Discuss
- 10. The 555 timer can be connected to operate a(n) ___________.
Options- A. astable multivibrator
- B. bistable multivibrator
- C. monostable multivibrator
- D. astable multivibrator and a monostable multivibrator Discuss
More questions
Correct Answer: 26.1 MΩ
Correct Answer: 4.57 mA
Correct Answer: stabilize the input analog signal during the conversion process
Correct Answer: voltage reference
Correct Answer: difference between two base currents
Correct Answer: reactive power
Correct Answer: 0.95
Correct Answer: Parity checking is best suited for detecting single-bit errors in transmitted codes.
Correct Answer: the serial output of the register is connected back to the serial input of the register
Correct Answer: astable multivibrator and a monostable multivibrator
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