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Home ‣ Digital Electronics ‣ Ex-OR and Ex-NOR Gates Comments
  • Question

  • The Ex-NOR is sometimes called the equality gate.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Ex-OR and Ex-NOR Gates problems

    Search Results

    • 1. The ________ code represents alphanumeric characters as seven-bit binary numbers.

    • Options
    • A. ASCII
    • B. octal
    • C. alphanumeric
    • D. Boy Scout
      • Discuss
    • 2. The MSB of 11001 is ________.

    • Options
    • A. 1
    • B. 1100
    • C. C
    • D. 1916
      • Discuss
    • 3. Resistors?usually 300 Ω apiece?inserted between a decoder and a 7-segment display are ________.

    • Options
    • A. pull-up resistors to keep logic HIGH when the input is open
    • B. sense resistors to enable a test of logic levels
    • C. current limiting resistors for the 7-segment display
    • D. surge resistors to prevent damage from power-line variations
      • Discuss
    • 4. Adding a zero to the leftmost bit of an ASCII code is called ________.

    • Options
    • A. extra zero
    • B. zero padding
      • Discuss
    • 5. A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.

    • Options
    • A. 5, 10
    • B. 10, 15
    • C. 10, 20
    • D. 20, 40
      • Discuss
    • 6. The odd/even parity system would require a sixth bit to be added to a 4-bit system.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In an exclusive-OR, both inputs cannot be HIGH to provide a HIGH output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Using the CPLD design environment, we can simulate any combinations of inputs and observe the resulting output to check for proper circuit operation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. In a parity generator circuit, an error is signaled on an error indicator.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Parity generator and checker circuits are available in single IC packages.

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

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