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Data types and structures

Data types and structures

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Question 8

An encryption algorithm uses a symmetric Vigenère cipher helper function during decryption.

This pseudocode segment shows how the helper function is called within a loop:

SET plaintext TO plaintext & getPlainChar(keyChar, cipherChar)

State the data type or value category of what would be returned by the getPlainChar function.

[1]
Markscheme

Data types and structures Questions

  1. IGCSE
  2. /Computer Science
  3. /Data types and structures

20 exam-style questions on Edexcel IGCSE Computer Science Data types and structures. Each one has a worked solution and a mark scheme showing where the marks go.

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