from The Open University
Alternatively you can skip the navigation by pressing 'Enter'.
Wild Weather with Richard Hammond: Temperature: The Driving ForceTuesday, 24th November 2015 00:35 - BBC FourRichard Hammond investigates the crucial role temperature plays in all weather. Without heat, there would be no... Read more: Wild Weather with Richard Hammond: Temperature: The Driving Force
The Educators: Series 2: Character LessonsTuesday, 24th November 2015 15:00 - BBC Radio 4
Power to the People: Episode 2: It's Not Easy Being GreenTuesday, 24th November 2015 21:00 - BBC Four
All in the Mind: Mindfulness, porn addiction and slothfulnessTuesday, 24th November 2015 21:00 - BBC Radio 4
The Educators: Series 2: Character LessonsAvailable for over a yearCan character education really improve someone's chances in life? Read more: The Educators: Series 2: Character Lessons
Wild Weather with Richard Hammond: Temperature: The Driving ForceAvailable until Thursday, 24th December 2015 01:35
Ireland with Simon Reeve: Episode 1Available until Thursday, 24th December 2015 00:45
The Hunt: Episode 4: Hunger at SeaAvailable until Tuesday, 29th December 2015 17:50
What is the 2015 Autumn Statement all about?The OU's Alan Shipman offers a guide to the things to watch for when George Osborne presents his... Read more: What is the 2015 Autumn Statement all about?
OpenLearn Live: 24th November 2015Part of Ireland that started out by the South Pole. Then more free learning through the day. Read more: OpenLearn Live: 24th November 2015
Early years team work and leadershipThis unit explores aspects of teamwork and leadership for early years practitioners. Try: Early years team work and leadership now
English: skills for learningThis course is for anybody who is thinking of studying for a university degree and would like to... Try: English: skills for learning now
Computers and computer systems
Computers and processors are ubiquitous in everyday life, and they're not only found in...
Computers and processors are ubiquitous in everyday life, and they're not only found in your PC. This unit introduces the different parts of computer systems and their use of binary code. Using the examples of kitchen scales, a digital camera and a computer artwork the unit, with the help of flowcharts, discusses how computers process data and instructions .
After studying this unit you will:
- know what all the terms highlighted in bold in the text mean;
- know the fundamental hardware components that make up a computer’s hardware and the role of each of these components;
- know the difference between an operating system and an application program, and what each is used for in a computer;
- be able to describe some examples of computers and state the effect that the use of computer technology has had on some common products;
- be able to identify the principal components of a given computer system and draw a diagram after the style of Figures 6 and 12 in this unit to represent the data flows between them.
- Learning Outcomes
- 1 Computers and processors: introduction
- 2 Computers and computer systems
- 3 Some facts about processors
- 4 Representing data and instructions inside a computer
- 5 Examples of computers
- 6 A look to the future
- 7 Computer programs
- Current section: Acknowledgements
Study this free course
Enrol to access the full course, get recognition for the skills you learn and track your progress. Make your learning visible!
Don't miss out:
1. Join over 200,000 students, currently studying with The Open University -
2. Enjoyed this? Find out more about this topic or browse all our free course materials on OpenLearn - http://www.open.edu/ openlearn/
3. Outside the UK? We have students in over a hundred countries studying online qualifications - http://www.openuniversity.edu/ - including an MBA at our triple accredited Business School.
Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
Figure 1 ENIAC Computer. Photo © Science Photo Library
Rozin, D. ‘Wooden Mirror’, 2001, IEEE Spectrum, March 2001, p.29. Copyright © 2001 IEEE. Reproduced, with permission, from IEEE Spectrum, March 2001
All other materials included in this unit are derived from content originated at the Open University.
This is an extract from an Open University course which is no longer available to new students. If you found this interesting you could explore more free Computing courses or view the range of currently available OU Computing courses.
Copyright & revisions
Originally published: Thursday, 17th October 2013
- Creative-Commons: The Open University is proud to release this free course under a Creative Commons licence. However, any third-party materials featured within it are used with permission and are not ours to give away. These materials are not subject to the Creative Commons licence. See terms and conditions. Full details can be found in the Acknowledgements section.
- This site has Copy Reuse Tracking enabled - see our FAQs for more information.
If you enjoyed this, why not follow a feed to find out when we have new things like it? Choose an RSS feed from the list below. (Don't know what to do with RSS feeds?)
Remember, you can also make your own, personal feed by combining tags from around OpenLearn.