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MSI Logic Circuits problems

  • 1. 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
  • 2. 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
  • 3. A typical AHDL comparator follows an algorithm described as ________.

  • Options
  • A. FUNCTION constructs
  • B. CASE constructs
  • C. IF/ELSE constructs
  • D. PROCESS constructs
    • Discuss
  • 4. 

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

    Digital Electronics MSI Logic Circuits: For the inputs shown in the given figure, the outputs for P > Q, P = Q


  • Options
  • A. 1,1,1
  • B. 1,0,1
  • C. 1,0,0
  • D. 0,1,0
    • Discuss
  • 5. 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
  • 6. 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
  • 7. In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.

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

  • Options
  • A. MOS
  • B. LCD
  • C. LED
  • D. LSC
    • Discuss
  • 9. The circuit shown below is a(n) ________.

    Digital Electronics MSI Logic Circuits: 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
  • 10. When data input I6 of a 74148 octal-to-binary encoder is active, the data output is ________.

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss

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