Managing Information Technology

Summary Systems thinking is a hallmark of good management in general. Systems thinking is also core to many basic concepts on wh ...

Chapter 8 • Basic Systems Concepts and Tools 359 6.Define the term business process reengineering,and describe its importance fo ...

360 Part III • Acquiring Information Systems Hoffer, Jeffrey A., and Detmar W. Straub, Jr. 1989. “The 9 to 5 underground: Are yo ...

361 Until the late 1980s, software applications that were custom-developed systems for a specific firm were very common. If an o ...

362 Part III • Acquiring Information Systems applications is referred to as the systems development life cycle (SDLC). The SDLC ...

Chapter 9 • Methodologies for Custom Software Development 363 Feasibility analysis Requirements definition 5 25 15 15 13 12 15 1 ...

364 Part III • Acquiring Information Systems and emerging technological solutions, the IT expertise of in- house personnel, and ...

Chapter 9 • Methodologies for Custom Software Development 365 managers responsible for the use of the new system are involved in ...

366 Part III • Acquiring Information Systems Accurate Auditable Changeable Efficient Flexible Reliable Robust Secure User friend ...

Chapter 9 • Methodologies for Custom Software Development 367 Old System New System Parallel Strategy Pilot Old System Strategy ...

368 Part III • Acquiring Information Systems system in the rest of the organization. For example, in a company with many branch ...

Chapter 9 • Methodologies for Custom Software Development 369 Because both business and technology environments change rapidly, ...

370 Part III • Acquiring Information Systems The SDLC Project Team Most application systems are developed by a temporary proj- e ...

Chapter 9 • Methodologies for Custom Software Development 371 of the business activities involved in the application. The role o ...

372 Part III • Acquiring Information Systems Advantages Highly structured, systematic process Careful controls on the process, ...

Chapter 9 • Methodologies for Custom Software Development 373 redo some aspects of the prior step, but there is usually great re ...

374 Part III • Acquiring Information Systems Step 1: Identify basic system requirements Step 2: Develop initial prototype Step 3 ...

Chapter 9 • Methodologies for Custom Software Development 375 The Prototyping Project Team Managing an evolutionary development ...

376 Part III • Acquiring Information Systems Feasibility Analysis Prototyping to Define Requirements Definition Phase System Des ...

Chapter 9 • Methodologies for Custom Software Development 377 Determine Basic Requirements Prototype the System Pilot the Protot ...