MIS 800- FINALEXAM DUE DATE Dec. 15, 2016 Instructions Answer a new question on
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Question
MIS 800- FINALEXAM DUE DATE Dec. 15, 2016 Instructions Answer a new question on a new page; expected length is one page per answer. Time New Roman Font, pitch 12, double line space Questions: Answer any 4 from the following. I. Provide an example of how a business function with which you are familiar (e.g., marketing, finance, operations/production, accounting, human resources) can be highly dependent on 2. Explain why, given the benefits of coordinated, integrated data architecture, some organizations still maintain multiple databases. How does master data management assist in the management of multiple databases? 3. Differentiate between a two-tier client/server system and a three-tier client/server system. Differentiate between a fat client and a thin client. Why would a firm choose one of these approaches over the others when implementing a client/server system? (for the first part of the question you may use a table format) 4 Decision support systems (DSSs) and expert systems are application areas that have a great deal in common. What are the primary distinctions between DSSs and expert systems? 5. Explain why many companies were unable to implement new cross-functional processes that were identified by BPR project teams in the early 1990s, before ERP packages became widely available. (hint: think in terms of databases)
Explanation / Answer
Various SDLC methodologies are developed to guide the processes concerned, as well as the body of water model (which was the initial SDLC method); speedy application development (RAD); joint application development (JAD); the fountain model; the spiral model; build and fix; and synchronize-and-stabilize. Frequently, many models square measure combined into some form of hybrid methodology. Documentation is crucial notwithstanding the sort of model chosen or devised for any application, and is typically drained parallel with the event method. Some strategies work higher for specific varieties of comes, however within the end, the foremost vital issue for the success of a project could also be however closely the actual set up was followed.
In general, AN SDLC methodology follows the subsequent steps:
The existing system is evaluated. Deficiencies square measure known. this will be done by interviewing users of the system and consulting with support personnel.
The new system needs square measure outlined. specifically, the deficiencies within the existing system should be self-addressed with specific proposals for improvement.
The projected system is intended. Plans square measure set out regarding the physical construction, hardware, in operation systems, programming, communications, and security problems.
The new system is developed. The new elements and programs should be obtained and put in. Users of the system should be trained in its use, and every one aspects of performance should be tested. If necessary, changes should be created at this stage.
The system is place into use. this will be drained numerous ways in which. The new system will phased in, in step with application or location, and also the previous system bit by bit replaced. In some cases, it should be less expensive to finish off the previous system and implement the new system all right away.
Once the new system is up and running for a jiffy, it ought to be thoroughly evaluated. Maintenance should be well-kept strictly in the slightest degree times. Users of the system ought to be unbroken up-to-date regarding the most recent modifications and procedures.
obtaining started with the systems development life cycle
To explore however the systems development life cycle is employed within the enterprise, here square measure some extra resources:
Varying SDLC methodologies among development teams: software package development life cycle (SDLC) methodologies have their own benefits, tools then forth. professional David Christiansen explains why development teams ought to be allowed to embrace a range of methodologies.
How use cases facilitate the SDLC: Why incorporate use case techniques into your software package development lifecycle? needs professional Betty Luedke explains however use cases profit the SDLC and the way practitioners will get the foremost out of them
When to start testing within the SDLC: Testing is one in every of the foremost vital elements of the software package development lifecycle, however once to start testing depends on variety of things. professional microphone Kelly discusses however bound problems have an effect on the temporal order of testing within the SDLC.
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