O Level Computer Science 2210, topic 2.2
Methods of error detection: past paper questions
7 Cambridge O Level Computer Science 2210 questions on Methods of error detection (2.2) from 7 papers, 2024 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
- 7
- Papers
- 7
- Years
- 2024 to 2026
- Total marks
- 97
- Average per question
- 13.9 marks
- Largest question
- 22 marks
By type: Structured 7
How hard the questions are
- Recall0
- Apply1
- Analyse6
- 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
- explainAnalyse6 questions
set out purposes or reasons / make the relationships between things clear / say why and/or how and support with relevant evidence
- giveRecall6 questions
produce an answer from a given source or recall/memory
- describeApply3 questions
state the points of a topic / give characteristics and main features
- completeApply2 questions
- identifyRecall2 questions
name/select/recognise
- showApply1 question
- stateRecall1 question
express in clear terms
- useApply1 question
Where the questions come from
By year
- 20261
- 20253
- 20243
By session
- May/June5
- Oct/Nov2
By paper
- Paper 17
Questions on this topic
Showing 7 of 7, spread across the years. Open one to write your answer and have it marked.
- Try this questionQuestion 4May/June 2026, paper 12Structured10 marks
An odd parity byte check is used to check for errors in data that is transmitted from a computer to a printer. Three bytes of data need to be transmitted. Give the correct parity bit that would be added to each byte of data for an odd parity byte check.
- Try this questionQuestion 7Oct/Nov 2025, paper 12Structured16 marks
A house has a smart speaker that can take voice commands as input. A person in the house can tell the smart speaker to play music or audio books. The smart speaker cannot be described as a robot.
- Try this questionQuestion 5Oct/Nov 2024, paper 12Structured12 marks
A barcode scanning system uses a check digit to check for errors in data on input. Explain how the barcode scanning system operates to check for errors.
- Try this questionQuestion 4May/June 2025, paper 11Structured12 marks
A restaurant has an electronic ordering system. The system allows customers to select the food they want to order. The data for the order is transmitted across their network to a computer in the restaurant kitchen.
- Try this questionQuestion 9May/June 2024, paper 11Structured20 marks
A company owner has installed a new network. Data is correct before it is transmitted across the network. The company owner is concerned that data might have errors after transmission.
- Try this questionQuestion 3May/June 2025, paper 12Structured22 marks
A programmer writes a program to store and sort all the data for the books in her home library. The programmer uses a high-level language to write the program.
- Try this questionQuestion 6May/June 2024, paper 12Structured5 marks
The table contains statements about error detection methods. Complete the table by giving the correct error detection method for each statement.






