logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ Combinational Logic Circuits Comments
  • Question

  • Looping on a K-map always results in the elimination of:


  • Options
  • A. variables within the loop that appear only in their complemented form.
  • B. variables that remain unchanged within the loop.
  • C. variables within the loop that appear in both complemented and uncomplemented form.
  • D. variables within the loop that appear only in their uncomplemented form.

  • Correct Answer
  • variables within the loop that appear in both complemented and uncomplemented form. 

    • Combinational Logic Circuits problems

    Search Results

    • 1. How many outputs would two 8-line-to-3-line encoders, expanded to a 16-line-to-4-line encoder, have?

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
      • Discuss
    • 2. Which of the figures shown below represents the exclusive-NOR gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 3. Which of the figures in figure (a to d) is equivalent to figure (e)?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 4. Which of the following combinations cannot be combined into K-map groups?

    • Options
    • A. Corners in the same row
    • B. Corners in the same column
    • C. Diagonal corners
    • D. Overlapping combinations
      • Discuss
    • 5. The device shown here is most likely a ________.


    • Options
    • A. comparator
    • B. multiplexer
    • C. demultiplexer
    • D. parity generator
      • Discuss
    • 6. Which of the following is an important feature of the sum-of-products form of expressions?

    • Options
    • A. All logic circuits are reduced to nothing more than simple AND and OR operations.
    • B. The delay times are greatly reduced over other forms.
    • C. No signal must pass through more than two gates, not including inverters.
    • D. The maximum number of gates that any signal must pass through is reduced by a factor of two.
      • Discuss
    • 7. In VHDL, macrofunctions is/are:

    • Options
    • A. digital circuits.
    • B. analog circuits.
    • C. a set of bit vectors.
    • D. preprogrammed TTL devices.
      • Discuss
    • 8. What type of logic circuit is represented by the figure shown below?


    • Options
    • A. XOR
    • B. XNOR
    • C. XAND
    • D. XNAND
      • Discuss
    • 9. What will a design engineer do after he/she is satisfied that the design will work?

    • Options
    • A. Put it in a flow chart
    • B. Program a chip and test it
    • C. Give the design to a technician to verify the design
    • D. Perform a vector test
      • Discuss
    • 10. Convert BCD 0001 0010 0110 to binary.

    • Options
    • A. 1111110
    • B. 1111101
    • C. 1111000
    • D. 1111111
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.