- AND, OR and NOT gates are electrical devices which implement the corresponding Boolean operations.
- Today, gates are built from a few transistors.
- We represent the three types of gates symbolically:
- Gates are a useful abstractions. Once we are convinced that gates can be built using transistors, we can design
higher-level constructs using gates, without thinking about transistors anymore.
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Last Updated 01/05/2000
© L.Heath, 2000