Gibilisco - Integrated Circuits

18 Questions | Total Attempts: 397

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Integrated Circuit Quizzes & Trivia

Questions and Answers
  • 1. 
    Because of the small size of ICs compared with equivalent circuits made from discretecomponents,
    • A. 

      More heat is generated.

    • B. 

      Higher power output is possible.

    • C. 

      Higher switching speeds are attainable.

    • D. 

      Fewer calculations need to be done per unit time.

  • 2. 
    Which of the following is not an advantage of ICs over discrete components?
    • A. 

      Higher component density

    • B. 

      Ease of maintenance

    • C. 

      Lower gain

    • D. 

      Lower current consumption

  • 3. 
    In which of the following devices would you never find an IC as the main component?
    • A. 

      The final amplifier in a large radio broadcast transmitter

    • B. 

      The microprocessor in a personal computer

    • C. 

      A battery-powered calculator

    • D. 

      A low-power audio amplifier

  • 4. 
    Which, if any, of the following component types is not practical for direct fabrication on achip?
    • A. 

      Resistors

    • B. 

      Capacitors

    • C. 

      Diodes

    • D. 

      All three of the above component types are practical for direct fabrication on a chip.

  • 5. 
    An op amp circuit usually employs negative feedback to
    • A. 

      Maximize the gain.

    • B. 

      Control the gain.

    • C. 

      Allow oscillation over a wide band of frequencies.

    • D. 

      Forget it! Op amp circuits never have negative feedback.

  • 6. 
    Suppose a communications channel carries several signals at once. Which type of IC might be used to single one of the signals out for reception?
    • A. 

      An op amp

    • B. 

      A timer

    • C. 

      A comparator

    • D. 

      A multiplexer/demultiplexer

  • 7. 
    Which type of IC is commonly used to determine whether two dc voltages are the same ordifferent?
    • 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 a characteristic of CMOS chips?
    • A. 

      Sensitivity to damage by electrostatic discharge

    • B. 

      Low current demand

    • C. 

      Ability to work at high speed

    • D. 

      Ability to handle extremely high power

  • 10. 
    An absolute limit to the component density that can be achieved in IC technology isdetermined by
    • A. 

      The maximum current levels needed.

    • B. 

      The maximum attainable impedance.

    • C. 

      The size of the semiconductor atoms.

    • D. 

      Forget it! There is no limit to the component density that can be achieved in IC technology.

  • 11. 
    With a ROM chip,
    • A. 

      It is easier to read data from the device than to write data into it.

    • B. 

      It is more difficult to read data from the device than to write data into it.

    • C. 

      It is easy to read data from the device, and just as easy to write data into it.

    • D. 

      It is difficult to read data from the device, and equally difficult to write data into it.

  • 12. 
    With a RAM chip,
    • A. 

      It is easier to read data from the device than to write data into it.

    • B. 

      It is more difficult to read data from the device than to write data into it.

    • C. 

      It is easy to read data from the device, and just as easy to write data into it.

    • D. 

      It is difficult to read data from the device, and equally difficult to write data into it.

  • 13. 
    Which type of IC must be physically removed from the circuit to have its memory contentschanged?
    • A. 

      An EEPROM chip

    • B. 

      An EPROM chip

    • C. 

      An SRAM chip

    • D. 

      A DRAM chip

  • 14. 
    With respect to memory, which of the following terms means that the data contents vanish ifpower is removed from a chip?
    • A. 

      Volatility

    • B. 

      Component density

    • C. 

      Multiplexing

    • D. 

      Corruptibility

  • 15. 
    In terms of the maximum number of transistors on a single chip, how many orders ofmagnitude larger is VLSI than MSI?
    • A. 

      Two

    • B. 

      Three

    • C. 

      Four

    • D. 

      Forget it! The maximum number of transistors on a VLSI chip is not larger, but smaller than the maximum number of transistors on an MSI chip.

  • 16. 
    Flip-flops are used to store data in
    • A. 

      Timers.

    • B. 

      Op amps.

    • C. 

      Multiplexers.

    • D. 

      None of the above.

  • 17. 
    Capacitors are used to store data in
    • A. 

      Timers.

    • B. 

      Op amps.

    • C. 

      Multiplexers.

    • D. 

      None of the above.

  • 18. 
    The phase of a sine wave signal can be shifted 180° by
    • A. 

      Applying the signal to the input of a timer.

    • B. 

      Applying the signal to the inverting input of an op amp.

    • C. 

      Applying the signal to the input of a flip-flop.

    • D. 

      Applying the signal to the input of an SRAM chip.

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