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Input/output

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Question 4

An online booking system requires users to enter their email address and the number of tickets they wish to purchase. Explain why the system must validate this input data.

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Markscheme

Input/output Questions

  1. GCSE
  2. /Computer Science
  3. /Input/output

25 exam-style questions on Edexcel GCSE Computer Science Input/output, covering Accepting and responding to user input, Reading and writing CSV text files, Implementing validation, and Implementing authentication. Each one has a worked solution and a mark scheme showing where the marks go.

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