Computer Science 1.4.3 - Boolean Logic Gates, Expressions and Simplifying Expressions

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14 Terms

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Logic Gates

AND

OR

NOT

XOR

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NOT gate

inverter

<p>inverter</p>
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AND gate

<p></p>
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OR gate

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XOR gates

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AND

∧

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OR

 ∨

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NOT

¬ (A)

Ā

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De Morgans Law

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Other simplifying Boolean expression rules

Commutative

Associative

Distributive

Absorption

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Commutative

order isn’t important

<p>order isn’t important</p>
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Associative

If size same, order isn’t important

<p>If size same, order isn’t important</p>
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Distributive

Expand brackets, swap operators

<p>Expand brackets, swap operators</p>
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Absorption Rules

If signs opposite inside and outside bracket, most common one

<p>If signs opposite inside and outside bracket, most common one</p>