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Crossing the boundary - analogue universe, digital worlds

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How does the computers peculiar binary world of digital entities differ from our analogue world of colour, sound, taste and touch? This free course, Crossing the boundary analogue universe, digital worlds, explores the way in which information, in the form of text, still and moving images, and sound can cross the boundary from the analogue universe into a digital world.

After studying this course, you should be able to:

  • give examples of quantities that are intrinsically analogue, and quantities that are intrinsically discrete/digital
  • define the terms ‘bit’, ‘byte’ and ‘word’
  • outline how visual information, such as pictures, diagrams and moving images can be expressed numerically inside a computer
  • describe how sounds such as speech and music can be represented inside a computer in terms of numbers.

By: The Open University

  • Duration 20 hours
  • Updated Tuesday 15th March 2016
  • Introductory level
  • Posted under Computing and ICT
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Crossing the boundary - analogue universe, digital worlds

Introduction

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This course introduces the important distinction between our analogue world of colour, sound, taste and touch and the computer's peculiar binary world of digital entities. Concepts of the analogue universe in which we live and the digital world we create are explained. The way in which information, in the form of text, still and moving images, and sound can cross the boundary from the analogue universe into a digital world is explored.

This OpenLearn course provides a sample of Level 1 study in Computing & ICT [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

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