managing the application development. how system project begun information system applications...
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Managing the Application Development
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How system project Begun
• Information system applications originate from virtually all areas of firm and relate to massively differing business problems. This section discuss
the reason request are made for system assistance and the origin of application proposals.
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Reasons for project Proposals• Request for system are typically motivated by one of three general objective
• Solve a problem– An activity , process or function that dose not now or may not in the future
meet performance standard or expectation unless remedial action takenCapitalize on an opportunity– A change to expand or improve business performance and competitive
achievementsRespond to a directive– An order, request or mandate originating from a legislative or management
authority to provide information perform in a certain manner or alter either information or performance.
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Reasons for project Proposals
• To achieve these objective firm typically undertaken projects for one or more of the following reasons FIVE C’s
• Capability • Control• Communication • Cost• Competitiveness
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• Capability business activities are influenced by an organization ability to process transaction quickly and efficiently. Information system add capability in three ways
I. Improved processing speed
II. Ability to handle increased volume
III. faster retrieved of information
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Reason Explanation
capability
Great processing speed Increased volume Faster information retrieval
Using the computer inherent ability to calculate sort and retrieve data and information when greater speed than that of people doing the same tasks is desires Provide the capacity to process a greater amount of activity perhaps to take advantage of new business to exceed the capacities and procedures underlying the achievements to date. Locating and retrieving information from storage, conducting complex searches.
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Control
• Two strategies of concern include relation of information system to management and operation control.
I. Improving accuracy and consistency
II. Enhancing security of sensitive data
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Reason Explanation
Control
Greater Accuracy and improved Consistency Batter Security
Carrying out computing steps including arithmetic , correctly and in the same way each time Safeguarding sensitive and important data in a form that is accessible only to authorized personnel
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Communication
• Communication is a common source of difficulties affecting customers and employees alike.
• Well-developed information system both enhance communication and facilitate the integration of individual business functions
• Enhance Communication • Integrate Business Area
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Reason Explanation
Communication
Enhanced Communication Integration of business Areas
Speeding the flow of information and messages between remote locations as well as within offices. Induces the transmission of documents within offices Coordinating business activities taking place in separate areas of an organization through capture and distribution of information.
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Cost
• Unknown or uncontrolled costs have many organizations out of business and severely hampered the success of countless others.
• Information system play an important role in both monitoring and reducing operating coats
• Cost Monitoring • Cost Reduction
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Reason Explanation
Cost
Cost Monitoring Cost Reduction
Tracking the cost of labor good and facilities to determine how actual cost compare with exceptions Using computing capability to process data at a lower cost then possible with other methods while maintaining accuracy and performance levels
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Competitiveness
• Reliable computer information system are a strategic weapon that can change the way a firm competes.
• As a result they may improve an organization and help it gain a competitive advantage.
• Lock in customer• Lock out competitors• Improve arrangement with suppliers• New product development
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Reason Explanation
Competitive Advantage
Lock in customers Lock out competitors Improve arrangement with suppliers New product development
Changing the relationship with and services provided to customers in such a way that they will not choose to change suppliersReducing the likelihood that competitors will be able to enter the same market because of the way the organization use information system Changing the pricing service or delivery arrangement or relationship between suppliers and the organization to be benefiting the firm.Introducing new products with characteristics that use or are influenced by information technology.
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System planning methodologies
• Sources of project requestsThere are four primary sources of project. The requester inside the organization are department managers, senior executive, and system analyst.
• Department Managers• Senior Executive • System analyst • Outside Groups