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Learning objective

Minimize file sizes for the purpose of storage or transmission. Learners should be capable of utilizing file compression techniques such as .zip and .rar to achieve this. It is essential for learners to comprehend the concept of file compression and the importance of reducing file sizes for effective storage or transmission.

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  • Read the explanation.
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  • Practise with linked questions.
Cambridge IGCSE Information and Communication TechnologyFile management

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Quick explanation

Minimize file sizes for the purpose of storage or transmission. Learners should be capable of utilizing file compression techniques such as .zip and .rar to achieve this. It is essential for learners to comprehend the concept of file compression and the importance of reducing file sizes for effective storage or transmission

  • This point belongs to Reduce file sizes for storage or transmission, especially Reduce file sizes for storage or transmission outcomes.
  • You need to be able to minimize file sizes for the purpose of storage or transmission. Learners should be capable of utilizing file compression techniques such as .zip and .rar to achieve this. It is essential for learners to comprehend the concept of file compression and the importance of reducing file sizes for effective storage or transmission.
  • The key ideas to know are Explain, Demonstrate, and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ExplainDemonstrateIdentifyJustify

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Paper 1 structured question: Reduce file sizes for storage or transmission

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Description

File Compression

A user wants to send a large document via email but the file size is too large. They decide to compress the file using a .zip format before sending it.

  1. a

    Explain why the user should compress the file before sending it by email.

    Aim for approximately 3 distinct marking points.

    [3]
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