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Cambridge IGCSE Computer Science practice

Paper 1 structured question: Methods of error detection

Try the question first, then check the answer and practise the same topic again.

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Methods of error detection

Exam-style question

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Paper 1Computer Systems1 marks

Data transmission in computer networks.

Description

Data Transmission Errors

Data can be lost, gained, or altered during transmission due to various factors such as interference and network issues.

  1. a

    State one potential cause of data loss during transmission.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 1 structured question: Methods of error detection

Paper 1Computer Systems3 marks

Description

Importance of Data Verification

Verifying data after transmission is crucial to ensure accuracy and integrity. Errors can occur due to various factors.

  1. a

    Explain why data verification is important in data transmission.

    Aim for approximately 3 distinct marking points.

    [3]