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The Complete Edition - Software Engineering for Real-Time Systems

You're reading from   The Complete Edition - Software Engineering for Real-Time Systems A software engineering perspective toward designing real-time systems

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Product type Paperback
Published in Dec 2019
Publisher
ISBN-13 9781839216589
Length 824 pages
Edition 1st Edition
Languages
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Author (1):
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Jim Cooling Jim Cooling
Author Profile Icon Jim Cooling
Jim Cooling
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Table of Contents (16) Chapters Close

Preface
1. Real-Time Systems – Setting the Scene 2. The Search for Dependable Software FREE CHAPTER 3. First Steps – Requirements Analysis and Specification 4. Software and Program Design Concepts 5. Multitasking Systems – an Introduction 6. Diagramming – an Introduction 7. Practical Diagramming Methods 8. Designing and Constructing Software – Code-Related Issues 9. Software Analysis and Design – Methods and Methodologies 10. Analyzing and Testing Source Code 11. Development Tools 12. Mission-Critical and Safety-Critical Systems 13. Performance Engineering 14. Documentation Glossary of terms

14.1 Documentation – What and Why?

14.1.1 The Role of Documentation

What precisely is the role of documentation in design engineering? Fundamentally, it has three objectives: defining, communicating, and recording information.

In the first instance, a prospective customer must define what he wants, why he wants it, when it's needed, and, ultimately, how much he's prepared to pay. Likewise, the supplier needs to define what he intends to do, how he intends to do it, what the delivered product will do, and when it will be delivered. Later, many other points need elaborating and defining, ranging from performance aspects to maintenance features. These definition aspects basically determine the contents of engineering documents.

The second aspect, communication, is self-explanatory. But this has an impact on the style of presentation. To be really useful, documents need to communicate information effectively. Text is not an especially good medium, as engineers...

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