Boolean Logic (AQA GCSE Computer Science): Quizzes

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Boolean Expression Operations
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What are Boolean expressions?

Mathematical statements using logic operators

Which symbol represents the AND gate in Boolean expressions?

⋅\cdot (dot)

Which symbol represents the OR gate in Boolean expressions?

++ (plus)

How is the NOT gate represented in Boolean expressions?

An overbar (line above the input)

Which symbol represents the XOR gate in Boolean expressions?

⊕\oplus (circle with plus)

How is 'C AND (A OR B)' written in symbolic notation?

C⋅(A+B)C \cdot (A + B)

In Boolean order of operations, what has the highest priority?

Operations in brackets

After brackets, which operation is applied next in Boolean expressions?

NOT operations

In Boolean order of operations, which is performed last?

OR operations

In P=(A⋅B)‾⋅CP = \overline{(A \cdot B)} \cdot C, what does the NOT gate affect?

The output of (A⋅B)(A \cdot B)

What is the key principle when creating logic circuits from expressions?

Working from the inside out

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