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Home ‣ Digital Electronics ‣ Code Converters and Multiplexers Comments
  • Question

  • The microcontroller needs to use only three input lines to monitor eight separate points.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Code Converters and Multiplexers problems

    Search Results

    • 1. A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Exclusive-AND gates are needed for conversions between Gray code and binary code.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. ________ counters are often used whenever pulses are to be counted and the results displayed in decimal.

    • Options
    • A. Synchronous
    • B. Bean
    • C. Decade
    • D. BCD
      • Discuss
    • 4. 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. 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
    • 5. The MOD-10 counter is also referred to as a ________ counter.

    • Options
    • A. decade
    • B. strobing
    • C. BCD
    • D. circuit
      • Discuss
    • 6. The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In a priority encoder, the input with the highest priority is represented on the output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Before you can make a design you must decide if you want an active-HIGH output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The basic comparator evaluates two binary strings bit by bit and always outputs a 1.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A demultiplexer takes a dual input data value and routes it to one of several outputs.

    • Options
    • A. True
    • B. False
      • Discuss

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