Topic 2: Logical Operators and Boolean Algebra: revision quiz and key terms
Free practice for Topic 2: Logical Operators and Boolean Algebra in WJEC Eduqas GCSE Computer Science. It has 2 parts: 2.1 Logical Operators and 2.2 Boolean Algebra. Try the questions, then check the key terms.
Try 5 free questions
How many possible rows does a truth table with three inputs have?
A logic diagram uses standard symbols to represent connections between logic gates.
Which Boolean expression is equivalent to NOT (A + B)?
In Boolean algebra, A . 1 = 1 for any value of A.
Which of these Boolean identities is correct?
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Key terms for Topic 2: Logical Operators and Boolean Algebra
- AND gate
- Produces a true output only when both inputs are true.
- Boolean expression
- A logical statement using operators such as AND, OR and NOT that evaluates to true or false.
- Logic gate
- A component that performs a single logical operation.
- NOT gate
- Produces an output that is the opposite of its single input.
- OR gate
- Produces a true output when at least one of its inputs is true.
- Truth table
- A table showing the output of a logic circuit for every possible combination of inputs.
- XOR gate
- Produces a true output when exactly one of its two inputs is true.
What Topic 2: Logical Operators and Boolean Algebra covers
In RADevo this topic has a full topic test and a focused quiz for each part:
- 2.1 Logical Operators
- 2.2 Boolean Algebra
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