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Home ‣ Digital Electronics ‣ Logic Gates See What Others Are Saying!
  • Question

  • The gates in this figure are implemented using TTL logic. If the output of the inverter has an internal open circuit, what voltage would you expect to measure at the inverter's output?

    The gates in this figure are implemented using TTL logic. If the output of the inverter has an inter


  • Options
  • A. Less than 0.4 V
  • B. 1.6 V
  • C. Greater than 2.4 V
  • D. All of the above

  • Correct Answer
  • 1.6 V 

    • More questions

    • 1. The content of a simple programmable logic device (PLD) consists of:

    • Options
    • A. fuse-link arrays
    • B. thousands of basic logic gates
    • C. advanced sequential logic functions
    • D. thousands of basic logic gates and advanced sequential logic functions
      • Discuss
    • 2. A counter has a specified sequence of states, but a shift register does not.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. ROMs are used to store data on a permanent basis.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A microprocessor with the necessary support circuits will include at least two memory ICs: ROM or EPROM, and a RAM.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. What is the acquisition time of the AD1154 sample-and-hold IC?

    • Options
    • A. 1.5 µs
    • B. 2.5 µs
    • C. 3.5 µs
    • D. 4.5 µs
      • Discuss
    • 6. Which of the figures shown below represents the exclusive-NOR gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 7. The device that places its input data onto one of several outputs is a ________.

    • Options
    • A. demultiplexer
    • B. multiplexer
    • C. comparator
    • D. counter
      • Discuss
    • 8. Digital computers use an easier method to subtract binary numbers, called one's complement.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. With interrupt-driven I/O, if two or more devices request service at the same time, ________.

    • Options
    • A. the device closest to the CPU gets priority
    • B. the device that is fastest gets priority
    • C. the device assigned the highest priority is serviced first
    • D. the system is likely to crash
      • Discuss
    • 10. Asynchronous counters are often called ________ counters.

    • Options
    • A. toggle
    • B. ripple
    • C. binary
    • D. flip-flop
      • Discuss

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