1. Computer SystemsComputer Systems Part 4: Computing: An OverviewPart 4: Computing: An Overview

2. To complete this unit, write an essay giving an overview of your understanding of computing.

3. Explain how computer system’s function and issues that surround their use.

4. Remember to use the Four Layer model in your answer. People Network Software Hardware

5. As well as your knowledge, draw on other sources. Use annotated references to show that you have evaluated information from a variety of sources, choosing what to use based on its, value, accuracy, plausibility and bias.

6. Use drafts and iteration to refine and improve your work.

7. Use text (1000 words) and relevant images to convey your message.

8. Credits Circuit Board Photo By R. Butler on FlickrR. Butler on Flickr Available under Creative Commons, BY-SA