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# Logic Circuit
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Logic circuits are circuits made of [logic gates](logic_gate.md) that implement [Boolean functions](bool.md), i.e. they are "graphical schematics for processing 1s and 0s". They are used to design [computers](computer.md) on quite a low level. Logic circuits are a bit similar to [electronic](electronics.md) circuits but are a level of [abstraction](abstraction.md) higher: they don't work with continuous [voltages](voltage.md) but rather with [discrete](discrete.md) [binary](binary.md) logic values: 1s and 0s. This abstraction makes logic circuits kind of a "[portable](portable.md)" circuit descriptions independent of any specific [transistor](transistor.md) technology, or even of [electronics](electronics.md) itself (as logical circuit may in theory be realized even mechanically, with [fluids](fluidics.md) or in other similarly wild ways). Logical circuits can be designed, simulated and synthesized to actual hardware description with specialized software and languages such as [VHDL](vhdl.md).
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Logic circuits are circuits made of [logic gates](logic_gate.md) that implement [Boolean functions](bool.md), i.e. they are "graphical schematics for processing 1s and 0s". They are used to design [computers](computer.md) on quite a low level. Logic circuits are a bit similar to [electronic](electronics.md) circuits but are a level of [abstraction](abstraction.md) higher: they don't work with continuous [voltages](voltage.md) but rather with [discrete](discrete.md) [binary](binary.md) logic values: 1s and 0s. This abstraction makes logic circuits kind of "[portable](portable.md)" circuit descriptions independent of any specific [transistor](transistor.md) technology, or even of [electronics](electronics.md) itself (as logical circuit may in theory be realized even mechanically, with [fluids](fluidics.md) or in other similarly wild ways). Logical circuits can be designed, simulated and synthesized to actual hardware description with specialized software and languages such as [VHDL](vhdl.md).
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```
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0 ___ 1 ___ 1
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