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Digital Logic Circuits                                4

                           COMBINATIO

Name                        Symbol      Funct
AND
                        A                      X=A
                                    Xo
                        B
                                               X=A

  OR A                              X X=A
                                    X X=A
                   B                X X=A

    IA

Buffer A

NAND A                              X X=

                  B                 X X=(

NOR                     A                      X=A
                        B           Xo

  XOR                   A                   X = A’B
                        B
Exclusive OR

 XNOR                   A                     X=(
                        B           Xo
Exclusive NOR
                                            X = A’B
or Equivalence

Computer Organization
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