Logical Operations

  • Created by: lisamiles
  • Created on: 26-11-18 10:11
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  • Logical Operations
    • NOT
      • The NOT logical operator has only one input and one output. The output is the opposite of the input.
    • AND
      • The AND logical operator has two inputs and one output. The output is 1 only if A and B are both 1.
    • OR
      • The OR logical operator has two inputs and one output. The output is 1 if either A or B is 1.
    • XOR
      • The XOR logical operator has two inputs and one output. The output is 1 only if A and B are different.
    • Laws of Boolean Algebra
      • Annulment Law
      • Identity Law
      • Idempotent Law
      • Complement Law
      • Commutative Law
      • Double Complement Law
      • Distributive Law
      • Absorptive law
      • Associative Law
    • Boolean notation
      • • a bar on top of and input variable represents the NOT operator. NOT A = ?
      • • a dot “.” represents the AND function. A and B = A.B
      • a plus sign “+” represents the OR function. A or B = A + B
      • a plus sign with a circle represents the XOR function. A exclusive or B = ?????????????????

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