IS+Development+NK

IS+Development+NK - InformationSystemsDevelopment...

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Information Systems Development Learning Objectives How do businesses decide whether to build or buy a  system? What steps are necessary for the development of a  successful system (the five phases of the SDLC)?  What role do users/employees (developers) play in this  process? MIS235   CH10    Chen Zhao
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Process of creating and maintaining information systems Involve all five IS components The single most important criterion for information systems success is for users to take ownership of their systems. Information Systems Development MIS235   CH10    Chen Zhao What is systems development ? IRS IS system development story - P259
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Software System Decisions Really two decisions Invest or not??? How to develop (source) it? Software System Development (sourcing) options Buy it (Off-the-shelf) Build it (custom-developed software) Outsource it Some combination of the above (off-the-shelf with alterations) p87 MIS235   CH10    Chen Zhao
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Major Challenges in Systems Development MIS235   CH10    Chen Zhao
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Computerworld Dec 21, 2009, by Mitch Betts The primary cause of software project  failures  is  complexity Complexity can create delays, cost overruns and systems that  don't meet business needs -  chief technology officer at ObjectWatch Inc. and author of  Simple Architectures for Complex Enterprises  (Microsoft Press, 2008).   Worldwide: the annual cost of IT failure is about $6 trillion ($500  billion/month) U.S.: the annual cost is about $1 trillion preventing so much costly IT failure would painlessly add $500  billion per month to the world economy, and it could make  companies more profitable and enable governments to provide  more services without raising taxes. MIS235   CH10    Chen Zhao
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This note was uploaded on 12/15/2011 for the course MIS 235 taught by Professor Sunrro during the Fall '08 term at Miami University.

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IS+Development+NK - InformationSystemsDevelopment...

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