logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics MSI Logic Circuits Comments

  • Question
  • An everyday illustration of a multiplexer is ________.


  • Options
  • A. the volume control in a stereo receiver
  • B. the function switch on a stereo receiver
  • C. the balance control on a stereo receiver
  • D. the treble-bass control on a stereo receiver

  • Correct Answer
  • the function switch on a stereo receiver 


  • MSI Logic Circuits problems


    Search Results


    • 1. When data input I6 of a 74148 octal-to-binary encoder is active, the data output is ________.

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 2. The circuit shown below is a(n) ________.


    • Options
    • A. 4-bit magnitude comparator
    • B. 4-bit half adder
    • C. 8-bit comparator
    • D. 8-bit binary adder
    • Discuss
    • 3. A(n) ________ display controls the reflection of available light.

    • Options
    • A. MOS
    • B. LCD
    • C. LED
    • D. LSC
    • Discuss
    • 4. In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 5. A(n) ________ is a combinational logic circuit that compares two input binary quantities and generates outputs to indicate which one has the greater magnitude.

    • Options
    • A. demultiplexer
    • B. code converter
    • C. magnitude comparator
    • D. E-MOS
    • Discuss
    • 6. For the inputs shown in the given figure, the output is ________.


    • Options
    • A. 1
    • B. 0 
    • Discuss
    • 7. The diagram given below shows a ________ being used as a(n) ________ and Y = ________.


    • Options
    • A. multiplier, divider, 2.25
    • B. multiplexer, encoder, 7641
    • C. multiplexer, logic function generator, ABC + ABC + ABC + ABC
    • D. logic function generator, multiplexer, 1467
    • Discuss
    • 8. The diagram given below shows a ________, and in order for the decimal number 3 to be displayed, terminals ________ must be ________.


    • Options
    • A. common-cathode seven-segment display, ef, LOW
    • B. common-anode seven-segment display, abcdg, HIGH
    • C. common-anode seven-segment display, abcdg, LOW
    • D. common-cathode seven-segment display, abcdg, HIGH
    • Discuss
    • 9. The 74139 dual four-line demultiplexer functions as a decoder if ________.

    • Options
    • A. the line is grounded
    • B. data input is on the line
    • C. data input is on the A0 line
    • D. the A0 line is grounded
    • Discuss
    • 10. An eight-line multiplexer must have as inputs ________.

    • Options
    • A. four data inputs and three select inputs
    • B. eight data inputs and two select inputs
    • C. eight data inputs and three select inputs
    • D. eight data inputs and four select inputs
    • Discuss


    Comments

    There are no comments.

Enter a new Comment