Logic Circuits

Representation of control circuit using logic expressions and logic

gates

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Introduction All basic logic gates have the ability to accept either one or two input signals (depending upon the type of gate) and generate one output signal.

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• The AND gate

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• The OR gate

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• The NOT gate (or inverter)

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• The NAND gate

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• The NOR gate

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• Example:

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• Example:

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• Example:

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• Example:

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A

BC

AB+A(B+C)+B(B+C)

• Example:

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• Example:AC+BC+ABC

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Example:

yz+x(yz+yz)

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Individual work