Logic Gates Digital Logic Design. What is a logic gate? A switch with an output that will only turn on when inputs are in particular positions.

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Presentation transcript:

Logic Gates Digital Logic Design

What is a logic gate? A switch with an output that will only turn on when inputs are in particular positions.

The AND gate Input AInput BOutput Y ? 10? 11? Truth Table! AND

Logic Lab: The And gate

The NOT gate Input AOutput 01 1? NOT

The OR gate Input AInput BOutput ? 10? 11? OR

OR + NOT ZOMG! Combined Gates! Input AInput BOutput

The amazing NAND gate! Input AInput BOutput

Why is NAND so amazing? You can make ALL of the other gates, just using NAND gates!

GCSE Question