logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ Describing Logic Circuits Comments
  • Question

  • What is the basic difference between AHDL and VHDL?


  • Options
  • A. ADHL is used in all PLD's.
  • B. VHDL is used in all PLD's.
  • C. ADHL is proprietary.
  • D. VHDL is proprietary.

  • Correct Answer
  • ADHL is proprietary. 

    • Describing Logic Circuits problems

    Search Results

    • 1. A NOR gate with one HIGH input and one LOW input:

    • Options
    • A. will output a HIGH
    • B. functions as an AND
    • C. will not function
    • D. will output a LOW
      • Discuss
    • 2. Which of the figures given below represents an OR gate?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss
    • 3. Which step in this reduction process is using DeMorgan's theorem?


    • Options
    • A. STEP 1
    • B. STEP 2
    • C. STEP 3
    • D. STEP 4
      • Discuss
    • 4. Identify the type of gate below from the equation

    • Options
    • A. Ex-NOR gate
    • B. OR gate
    • C. Ex-OR gate
    • D. NAND gate
      • Discuss
    • 5. Which type of gate can be used to add two bits?

    • Options
    • A. Ex-OR
    • B. Ex-NOR
    • C. Ex-NAND
    • D. NOR
      • Discuss
    • 6. The Boolean equation for a NOR function is:

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. How are the statements between BEGIN and END not evaluated in VHDL?

    • Options
    • A. Constantly
    • B. Simultaneously
    • C. Concurrently
    • D. Sequentially
      • Discuss
    • 8. A NAND gate has:

    • Options
    • A. active-LOW inputs and an active-HIGH output.
    • B. active-LOW inputs and an active-LOW output.
    • C. active-HIGH inputs and an active-HIGH output.
    • D. active-HIGH inputs and an active-LOW output.
      • Discuss
    • 9. The format used to present the logic output for the various combinations of logic inputs to a gate is called a(n):

    • Options
    • A. truth table.
    • B. input logic function.
    • C. Boolean constant.
    • D. Boolean variable.
      • Discuss
    • 10. Which of the figures in figure (a to d) is equivalent to figure (e)?


    • Options
    • A. a
    • B. b
    • C. c
    • D. d
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.