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.

  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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  • Question 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.

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