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  • Question
  • A typical AHDL comparator follows an algorithm described as ________.


  • Options
  • A. FUNCTION constructs
  • B. CASE constructs
  • C. IF/ELSE constructs
  • D. PROCESS constructs

  • Correct Answer
  • IF/ELSE constructs 


  • MSI Logic Circuits problems


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    • 1. When an application, such as an encoder, calls for a unique response from a circuit corresponding to a combination of its input variables, the two methods that best serve this purpose are the ________ and the ________.

    • Options
    • A. CASE construct, truth TABLE
    • B. if then statement, elsif statement
    • C. VARIABLE, PROCESS
    • D. FUNCTION, TYPE
    • Discuss
    • 2. In HDL, the operation of the DEMUX is exactly described using a ________.

    • Options
    • A. function
    • B. process
    • C. variable type
    • D. number of conditional signal assignment statements
    • Discuss
    • 3. When data input I4 of a 74148 octal-to-binary encoder is active, the data output is:
      A0 = 1
      A1 = 1
      A2 = 0

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Incandescent 7-segment displays are especially well suited for use in portable battery-operated devices.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. When data input I5 of a 74148 octal-to-binary encoder is active, the data output is:
      A0 = 1
      A1 = 0
      A2 = 0

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. 

      For the inputs shown in the given figure, the outputs for P > Q, P = Q, and P < Q are ____, ____, and ____, respectively.


    • Options
    • A. 1,1,1
    • B. 1,0,1
    • C. 1,0,0
    • D. 0,1,0
    • Discuss
    • 7. In most modern computers, the transfer of data takes place over a common set of connecting lines called a ________.

    • Options
    • A. data bus
    • B. bus line
    • C. bus cable
    • D. data line
    • Discuss
    • 8. 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
    • 9. In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 10. A(n) ________ display controls the reflection of available light.

    • Options
    • A. MOS
    • B. LCD
    • C. LED
    • D. LSC
    • Discuss


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