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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 AND operation between two variables say, x and y is written as x.y

And Gate

And Gate

This is the symbol of the AND gate.

Truth Table for the AND gate

InputOutput
XYX.Y
000
010
100
111

The interpretation of the truth table is as follows:

  1. If both inputs (x.y) are ‘0’, the output will be 0.
  2. If x = 0 and y = 1, the output will be 0
  3. If x = 1 and y = 0, the output will be 0
  4. But if both x and y are 1, then the output will be 1.

With the above explanation of the AND truth table, it could be seen as a normal multiplication. For example:

And Gate

Let x = 110

Let y = 011

The output X.Y = 010

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