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JSS3: COMPUTER STUDIES - 3RD TERM

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  1. Logic Gates | Week 1
    3 Topics
    |
    1 Quiz
  2. Logic Gates And Its Interpretations | Week 2
    7 Topics
    |
    1 Quiz
  3. Multimedia Presentation | Week 3
    4 Topics
    |
    1 Quiz
  4. Features Of Presentation Packages - New Presentation | Week 4
    4 Topics
    |
    1 Quiz
  5. Creating Proffessional Presentation | Week 5
    13 Topics
    |
    1 Quiz
  6. Powerpoints Tips: Project Approach | Week 6
    2 Topics
    |
    1 Quiz



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The X-NOR operation between two variables say, x and y is another variation of the ‘OR’ gate. The symbol is that of the X-OR with an inverter.

X-NOR

This is the symbol of the X-NOR gate.

The Truth Table For The X-NOR Gate

InputOutput
XY\(\scriptsize \overline{Z} \)
001
010
100
111

The interpretation of the truth table is as follows:

  1. If both inputs are 0, the output will be ‘1’
  2. If x = 0 or y = 1, the output will be ‘0’
  3. If x = ‘1’ or y = ‘0’, the output will be ‘0’
  4. But if both x and y are ‘1’, then the output will be ‘1’. This means that the output is ‘1’ anywhere the inputs are both ‘1’ or both ‘0’. For example:
Screen Shot 2021 04 15 at 1.23.17 PM

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