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  • Question
  • The circuit given below implements the equation, The circuit given below implements the equation, . True False.

    The circuit given below implements the equation, . True False


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Combinational Logic Circuits problems


    Search Results


    • 1. A pull-up resistor is a resistor used to keep a given point in a circuit HIGH when in the active state.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. In an even-parity system, the following data will produce a parity bit = 1.
      data = 1010011

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. TTL stands for transistor-technology-logic.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The Boolean equation results from this Karnaugh map.


    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The XOR gate will produce a HIGH output if only one but not both of the inputs is HIGH.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. A Karnaugh map will ________.

    • Options
    • A. eliminate the need for tedious Boolean simplifications
    • B. allow any circuit to be implemented with just AND and OR gates
    • C. produce the simplest sum-of-products expression
    • D. give an overall picture of how the signals flow through the logic circuit
    • Discuss
    • 7. The ________ statement evaluates the variable status.

    • Options
    • A. IF/THEN
    • B. IF/THEN/ELSE
    • C. CASE
    • D. ELSIF
    • Discuss
    • 8. The 7447A is a BCD-to-7-segment decoder with ripple blanking input and output functions. The purpose of these lines is to ________.

    • Options
    • A. turn off the display for any nonsignificant digit
    • B. turn off the display for any zero
    • C. turn off the display for leading or trailing zeros
    • D. test the display to assure all segments are operational
    • Discuss
    • 9. The correct output for this XOR truth table is ________.


    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. A circuit that can convert one of ten numerical keys pressed on a keyboard to BCD is a ________.

    • Options
    • A. priority encoder
    • B. decoder
    • C. multiplexer
    • D. demultiplexer
    • Discuss


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