quartz/content/notes/combinatorial-logic-circuit.md

title	aliases	tags
combinatorial-logic-circuit		cosc204

[!Definition] Combinatorial Logic Circuit is a circuit whose digital outputs are dependent only on its digital inputs They can be described using logic expressions and therefore logic gates. We assume the outputs respond immediately^[1]

• current flows from + to -
• input to a unit (e.g., LED) is at the + end

They can be defined:

• Using a truth table
• Using boolean-equations (Q\ =\ A+\ B)
• Using graphical symbols

Notable Examples

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• 
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• 3 Bit parity Generator
  • Adds an extra bit to the input data so that the number of ones in the output is always odd
  • Used for error checking
  • truth table
  • boolean equation
  • circuit
•