This is the Multiple Choice Questions (MCQs) in Chapter 28: Integrated Circuits and Data Storage Media from the book Teach Yourself Electricity and Electronics, 5th edition by Stan Gibilisco. If you are looking for a reviewer in Electronics Engineering this will definitely help you before taking the Board Exam.
Start Practice Exam Test Questions
1. Because of the small size of ICs compared with equivalent circuits made from discrete components:
- A. More heat is generated.
- B. Higher power output is possible.
- C. Higher switching speeds are attainable.
- D. Fewer calculations need be done in a given time.
2. Which of the following is not an advantage of ICs over discrete components?
- A. Higher component density.
- B. Ease of maintenance.
- C. Greater power capability.
- D. Lower current consumption.
3. In which of the following devices would you be least likely to find an integrated circuit as the main component?
- A. A radio broadcast transmitter’s final amplifier.
- B. A notebook computer.
- C. A battery-powered calculator.
- D. A low-power audio amplifier.
4. Which type of component is generally not practical for fabrication in an IC?
- A. Resistors.
- B. Inductors.
- C. Diodes.
- D. Capacitors.
5. An op amp usually employs negative feedback to:
- A. Maximize the gain.
- B. Control the gain.
- C. Allow oscillation over a wide band of frequencies.
- D. No! Op amps do not employ negative feedback.
6. A channel carries several signals at once. Which type of IC might be used to select one of the signals for reception?
- A. An op amp.
- B. A timer.
- C. A comparator.
- D. A multiplexer/demultiplexer.
7. Which type of IC is used to determine whether voltage levels are the same or not?
- A. An op amp.
- B. A timer.
- C. A comparator.
- D. A multiplexer/demultiplexer.
8. Which type of digital IC is least susceptible to noise?
- A. Transistor-transistor logic.
- B. Base-coupled logic.
- C. Emitter-coupled logic.
- D. N-channel-coupled logic.
9. Which of the following is not an advantage of CMOS?
- A. Relative immunity to noise pulses.
- B. Low-current requirements.
- C. Ability to work at high speed.
- D. Ability to handle high power levels.
10. An absolute limit on IC component density is:
- A. The current levels needed.
- B. The maximum attainable impedance.
- C. The size of the semiconductor atoms.
- D. No! There is no limit on component density.
11. In a ROM:
- A. It’s easy to get data out and put it in.
- B. It’s hard to get data out, but easy to put it in.
- C. It’s easy to get data out, but hard to put it in.
- D. It’s hard to get data out or put it in.
12. In a RAM:
- A. It’s easy to get data out and put it in.
- B. It’s hard to get data out, but easy to put it in.
- C. It’s easy to get data out, but hard to put it in.
- D. It’s hard to get data out or put it in.
13. Which of the following IC types must be physically removed from the circuit to have its memory contents changed?
- A. EEPROM.
- B. EPROM.
- C. ROM.
- D. RAM.
14. A kilobyte is:
- A. Equivalent to a novel.
- B. About 1,000 bytes.
- C. About 1,000,000 bytes.
- D. Equivalent to about one typewritten line.
15. In magnetic audio tape:
- A. The tracks are parallel to the edges.
- B. The tracks are diagonal.
- C. The tracks are perpendicular to the edges.
- D. The tracks can be oriented at any angle.
16. In magnetic video tape:
- A. The video tracks are parallel to the edges.
- B. The video tracks are diagonal.
- C. The video tracks are perpendicular to the edges.
- D. The video tracks can be oriented at any angle.
17. An advantage of magnetic disks over magnetic tape is:
- A. Disks are immune to damage by heat.
- B. Tapes are difficult to rewind.
- C. Disks allow faster data storage and retrieval.
- D. Disks are immune to external magnetic fields.
18. A typical audio recording tape thickness is:
- A. 0.001 mil.
- B. 0.01 mil.
- C. 0.1 mil.
- D. 1 mil.
19. Compact disks (CDs) are not generally used for recording:
- A. Voices.
- B. Music.
- C. In digital form.
- D. Via magnetic fields.
20. A reason CDs don’t wear out with repeated playback is:
- A. The magnetic fields are strong.
- B. Nothing touches the disk.
- C. The data is analog.
- D. The magnetic particle density is high.
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