Creating Boolean Expressions from Logic Circuits (AQA GCSE Computer Science): Flashcards
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Boolean expression from logic circuit
Boolean expression from logic circuit
Mathematical statement describing what a digital circuit does
Three main Boolean operations
Three main Boolean operations
AND, OR, and NOT
Step 1 when creating Boolean expression
Step 1 when creating Boolean expression
Identify all logic gates (AND, OR, NOT)
Direction to trace signal path in circuit
Direction to trace signal path in circuit
Left to right
Purpose of brackets in Boolean expressions
Purpose of brackets in Boolean expressions
Show which operations happen first
How NOT gates shown on circuit diagrams
How NOT gates shown on circuit diagrams
Small circles on the output of gates
Meaning of
Meaning of
First calculate A OR B, then AND result with C
Meaning of
Meaning of
First calculate B AND C, then OR result with A
Best direction to work through logic circuit
Best direction to work through logic circuit
Left to right, following the signal flow
What to do for complex circuits
What to do for complex circuits
Draw intermediate steps to avoid mistakes
How to verify Boolean expression is correct
How to verify Boolean expression is correct
Test with input combinations or create truth table
When to use brackets in Boolean expressions
When to use brackets in Boolean expressions
When output of one gate becomes input to another gate