chapter01 - Chapter 1 Software and Software Engineering...

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Chapter 1 – Software and Software Engineering Overview Software is designed and built by software engineers. Software is used by virtually everyone in society. Software is pervasive in our commerce, our culture, and our everyday lives. Software engineers have a moral obligation to build reliable software that does no harm to other people. Software engineers view computer software, as being made up of the programs, documents, and data required to design and build the system. Software users are only concerned with whether or not software products meet their expectations and make their tasks easier to complete. Important Questions for Software Engineers Why does it take so long to get software finished? Why are development costs so high? Why can’t we find all errors before we give the software to our customers? Why do we spend so much time and effort maintaining existing programs? Why do we continue to have difficulty in measuring progress as software is being developed? Software Software is both a product and a vehicle for delivering a product (information). Software is engineered not manufactured. Software does not wear out, but it does deteriorate. Industry is moving toward component-based software construction, but most software is still custom-built. Software Application Domains System software Application software Engineering or Scientific Software Embedded software Product-line software (includes entertainment software) Web-Applications Artificial intelligence software
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New Software Challenges Open-world computing o Creating software to allow machines of all sizes to communicate with each other across vast networks Netsourcing o Architecting simple and sophisticated applications that benefit targeted
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This note was uploaded on 09/27/2011 for the course CIS 351 taught by Professor Jasonlitz during the Spring '11 term at Edison State College.

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chapter01 - Chapter 1 Software and Software Engineering...

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