A Level Computer Science 9618, topic 15.2
Boolean Algebra and Logic Circuits: past paper questions
21 Cambridge A Level Computer Science 9618 questions on Boolean Algebra and Logic Circuits (15.2) from 21 papers, 2023 to 2026. Open the paper or try a question free.
Practising builds a set from this topic, free with an account. One question opens straight away, with no account.
- Questions
- 21
- Papers
- 21
- Years
- 2023 to 2026
- Total marks
- 175
- Average per question
- 8.3 marks
- Largest question
- 10 marks
By type: Structured 21
How hard the questions are
- Recall0
- Apply21
- Analyse0
- Not banded0
Derived from the command word Cambridge prints in each question, banded by a fixed table beside the syllabus's own definitions. A question printing no command word is unbanded: unknown, not middling.
Command words
- completeApply19 questions
add information to an incomplete diagram or table
- writeRecall18 questions
write an answer in a specific way
- drawApply17 questions
draw a line to match a term with a description
- showApply6 questions
- useApply6 questions
- describeApply1 question
state the points of a topic / give characteristics and main features
Where the questions come from
By year
- 20263
- 20256
- 20246
- 20236
By session
- May/June12
- Oct/Nov9
By paper
- Paper 321
Questions on this topic
Showing 8 of 21, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 6May/June 2026, paper 31Structured9 marksHas a diagram
The diagram shows a logic circuit. Complete the truth table for the given logic circuit.
- Try this questionQuestion 7Oct/Nov 2024, paper 31Structured10 marks
The truth table for a logic circuit is shown. Write the Boolean logic expression that corresponds to the given truth table as the sum-of-products.
- Try this questionQuestion 6Oct/Nov 2023, paper 31Structured6 marksHas a diagram
This diagram represents a logic circuit. Complete the truth table for the given logic circuit.
- Try this questionQuestion 7May/June 2026, paper 32Structured8 marksHas a diagram
This truth table represents a logic circuit.
- Try this questionQuestion 6Oct/Nov 2024, paper 32Structured9 marksHas a diagram
The truth table for a logic circuit is shown.
- Try this questionQuestion 6May/June 2026, paper 33Structured8 marks
The Karnaugh map (K-map) represents a logic circuit with four inputs. Draw loop(s) around appropriate group(s) in the K-map to produce an optimal sum-of-products.
- Try this questionQuestion 5May/June 2025, paper 31Structured8 marksHas a diagram
This truth table represents a logic circuit. Write the Boolean logic expression that corresponds to the given truth table as the sum-of-products.
- Try this questionQuestion 7May/June 2023, paper 31Structured7 marksHas a diagram
Complete the Karnaugh map (K-map) for the following Boolean expression.