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  2. NOR logic - Wikipedia

    en.wikipedia.org/wiki/NOR_logic

    An XOR gate is made by considering the conjunctive normal form (+) (¯ + ¯), noting from de Morgan's Law that a NOR gate is an inverted-input OR gate. This construction entails a propagation delay three times that of a single NOR gate and uses five gates.

  3. XOR gate - Wikipedia

    en.wikipedia.org/wiki/XOR_gate

    XOR gate (sometimes EOR, or EXOR and pronounced as Exclusive OR) is a digital logic gate that gives a true (1 or HIGH) output when the number of true inputs is odd. An XOR gate implements an exclusive or from mathematical logic; that is, a true output results if one, and only one, of the inputs to the gate is true.

  4. XNOR gate - Wikipedia

    en.wikipedia.org/wiki/XNOR_gate

    The XNOR gate (sometimes ENOR, EXNOR, NXOR, XAND and pronounced as Exclusive NOR) is a digital logic gate whose function is the logical complement of the Exclusive OR gate. [1] It is equivalent to the logical connective ( ↔ {\displaystyle \leftrightarrow } ) from mathematical logic , also known as the material biconditional.

  5. NOR gate - Wikipedia

    en.wikipedia.org/wiki/NOR_gate

    The NOR gate is a digital logic gate that implements logical NOR - it behaves according to the truth table to the right. A HIGH output (1) results if both the inputs to the gate are LOW (0); if one or both input is HIGH (1), a LOW output (0) results.

  6. Logic gate - Wikipedia

    en.wikipedia.org/wiki/Logic_gate

    A logic circuit diagram for a 4-bit carry lookahead binary adder design using only the AND, OR, and XOR logic gates.. A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output.

  7. OR-AND-invert - Wikipedia

    en.wikipedia.org/wiki/OR-AND-invert

    OR-AND-invert gates implement the inverted product of sums. groups of , , = … input signals ... Implementation of an XOR gate using a 2-2-OAI gate. References

  8. Exclusive or - Wikipedia

    en.wikipedia.org/wiki/Exclusive_or

    In logical circuits, a simple adder can be made with an XOR gate to add the numbers, and a series of AND, OR and NOT gates to create the carry output. On some computer architectures, it is more efficient to store a zero in a register by XOR-ing the register with itself (bits XOR-ed with themselves are always zero) than to load and store the ...

  9. Chaos computing - Wikipedia

    en.wikipedia.org/wiki/Chaos_computing

    There are essentially seven basic logic functions implemented as logic gates: AND, OR, NOT, NAND, NOR, XOR and XNOR. A chaotic morphing logic gate consists of a generic nonlinear circuit that exhibits chaotic dynamics producing various patterns. A control mechanism is used to select patterns that correspond to different logic gates.