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9 Cards in this Set
- Front
- Back
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Q1: What is systems development? |
-Processof creating and maintaining information systems
-Involvesall five IS components (hardware, software, data, procedures, people) |
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Q2: Why is systems development difficult & risky? |
-Many projects are never finished - 200-300% are over budget -Those that finish usually don't meet goals -Requirements are difficult to determine -Systems development aims at a moving target -Difficulties involving scheduling & budgeting -Dis-economies of scale |
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Q3: What are the five phases of the SDLC? |
1) System definition 2) Requirements Analysis 3) Component Design 4) Implementation 5) Maintenance |
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Q4: How is system definition accomplished ? |
In response to the need for the new system, the organization will assign a few employees to define the new system, to assess its feasibility, and to plan the project. |
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Q5: What is the users role in the requirements phase? |
To determine and document the specific features and functions of the new system. -Requires interviewing dozens of users and documenting potentially hundreds of requirements |
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Q6: How are the five components designed? |
-Determine hardware specifications -Determine software specifications -Design the database -Design procedures -Create job definitions |
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Q7: How is an information system implemented? |
-Build system components -Conduct unit test -Integrate components -Conduct integrated test -Convert to new system |
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Q8: What are the tasks for system maintenance? |
Record requests for change -Failures -Enhancements Prioritize requests Fix Failures -patches -Service packs -New releases |
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Q9: What are some of the problems with the SDLC? |
SDLC Waterfall -process is supposed to operate in a sequence of non-repetitive phases. -Usually some requirements statements are incomplete or missing Difficulty of documenting requirements in a usable way Scheduling and budgeting difficulties |
