logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ MSI Logic Circuits Comments
  • Question

  • The diagram given below shows a ________, and in order for the decimal number 3 to be displayed, terminals ________ must be ________.

    The diagram given below shows a ________, and in order for the decimal number 3 to be displayed, ter


  • 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

  • Correct Answer
  • common-anode seven-segment display, abcdg, LOW 

    • MSI Logic Circuits problems

    Search Results

    • 1. 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
    • 2. For the inputs shown in the given figure, the output is ________.


    • Options
    • A. 1
    • B. 0 
      • Discuss
    • 3. 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
      • Discuss
    • 4. When data input I6 of a 74148 octal-to-binary encoder is active, the data output is ________.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. In an AHDL BCD to binary coded converter, multiplication by 10 is performed by ________.

    • Options
    • A. a multiplication operator
    • B. shifting bits
    • C. a library function
    • D. a variable type
      • Discuss
    • 9. The normal outputs of a magnitude comparator are ________.

    • Options
    • A. A < B, A = B, and A > B
    • B. Sum, difference, and carry
    • C. Cin, Cout, and Sum
    • D. A = B, A + B, and carry
      • Discuss
    • 10. A decimal-to-BCD encoder has ________ data inputs.

    • Options
    • A. two
    • B. four
    • C. five
    • D. ten
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.