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GCSE

Lesson 1 What is representation?

Curriculum > KS4 > Unit > Lesson

In this lesson, learners will be reminded of the need for written representation, and consider the fact that one thing can be represented in different ways. They will explore the concepts of data and instructions, to ensure that they have a clear understanding. Learners will then consider two-state systems such as bulbs and switches, and investigate how combining these in groups gives you more combinations. Finally, they will learn how this relates to computers, and they will be introduced to binary.

Learning objectives

  • Give examples of the use of representation
  • Explain that computers use binary to represent all data and instructions
  • Explain how binary relates to two-state electrical signals

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