Software Engineering For Students: A Programming Approach Part 19 pptx

... x; } Encapsulating data makes it clear how data is being accessed and by whom. Data declared as public can be accessed by any part of the software in an uncontrolled fashion. Encapsulation is ... testing.) A pattern has a name, an application domain and a suggestion for a solution. Patterns enable novices to use the knowledge of experts. They provide a body of knowledge and a...

Ngày tải lên: 03/07/2014, 01:20

... Suggest another system for which cost-benefit analysis is probably not appropriate. We will examine carrying out a feasibility study of the software for an ATM, outlined in Appendix A. An ATM is part ... meaningfully assess the value of a system that allows a patient to book a medical appointment, or a system that provides information on bus arrival times at bus stops? 3.4...

Ngày tải lên: 03/07/2014, 01:20

... a scripting language is that it provides a facility to invoke other programs. The programs can be passed information as parameters or alter- natively the programs can pass information as data ... contrast, a strongly typed data language insists on the clear separation of data types. What is the essential difference between a scripting language and a programming language? In a p...

Ngày tải lên: 03/07/2014, 01:20

... idea of how long it should take or will take. This is a nightmare situation for any project manager. The problems are not helped by the available software engineering techniques. What a manager ... methods. For example, a military client may require the use of Ada in conjunction with formal specification. Any software development organization has expertise in particular tools...

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... diagrams are not a part of UML, and the information in a data flow diagram cannot be described in UML. Now it may be that diagrams such as dataflow are redundant, but alternatively it may be that they ... program generators and automated tools. Long-term, traditional procedural programming languages may vanish to be replaced by declarative languages (functional and or logic languages)...

Ngày tải lên: 03/07/2014, 01:20

... Page 422 abstraction 99, 107 acceptance test 251, 332 activity diagrams 414 Ada 177, 189, 215, 233, 254, 393 adaptive maintenance 11 adversary team 275 agile manifesto 330 agile methods 330 Algol ... 322 orthogonality 177 OSM 323 overwork 334 package diagrams 414 packages 223 pair programming 286, 334 paralysis 371 parameters 188 Pascal 393 patient monitoring system case study 113, 229, 410...

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... Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloging-in-Publication Data Bell, Doug, 194 4- Software engineering ... Page ii Software Engineering for Students BELL _A0 1.QXD 2/2/05 3:20 PM Page i Software Engineering for Students A Programming Approach Fourth Edition DOUGLAS BE...

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... 410 B Glossary 411 C UML Summary 412 C.1 Use case diagrams 412 C.2 Class diagrams 413 C.3 Package diagrams 414 C.4 Activity diagrams 414 Further reading 416 Bibliography 417 Index 419 BELL _A0 1.QXD ... software engineering methods are well-defined while others are ill-defined. And the processes of software development are always under debate. Software engineering is about imaginat...

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... processing package. Calculate the relative costs of hardware and software. 100% 10% Hardware Software 2000 199 0198 0197 0 Year Figure 1.2 Changes in the relative costs of hardware and software BELL_C01.QXD ... software is software that helps perform some directly useful or enjoyable task. Examples are games, the software for automatic teller machines (ATMs), the control softw...

Ngày tải lên: 03/07/2014, 01:20

... Arguably, as hardware becomes available to make previously impractical software projects feasible, software costs can only continue to escalate. In summary, what we see today is that software ... large. Generally, of course, it is necessary to make a judg- ment about what the particular performance requirements of a piece of software are. The dream of portability has always been t...

Ngày tải lên: 03/07/2014, 01:20