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Learning objective

Differentiate between digital and analogue signals.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
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Quick explanation

Differentiate between digital and analogue signals

  • This point belongs to Electromagnetic spectrum, especially Electromagnetic spectrum outcomes.
  • You need to be able to differentiate between digital and analogue signals.
  • The key ideas to know are Know and Identify.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowIdentify

Why it matters

This objective helps connect Electromagnetic spectrum outcomes to exam-style questions, flashcards, and revision notes for Electromagnetic spectrum.

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Paper 4 structured question: Electromagnetic spectrum

Paper 4Theory (Extended)1 marks

Description

Signal Types

Digital signals are represented by discrete values, while analogue signals are represented by continuous values. Digital signals are less affected by noise and can be easily processed by computers.

  1. a

    State the main difference between digital and analogue signals.

    Aim for approximately 1 distinct marking point.

    [1]
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