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System Elements Data Roles In System Development End Users Systems Development Life Cycle – Feasibility Cmgt 555 / Systems Analysis And Development

1323 words - 5 pages

Week 1 Paper GMGT 555- A BBB PAGE 1
System Elements-DataRoles in System Development - End UsersSystems Development Life Cycle - FeasibilityCMGT 555 / Systems Analysis and DevelopmentDarrell BroylesUniversity Of PhoenixDecember 2, 2006System Elements-DataThe design of a system varies in response to the expected audience for the perticulare application. Some systems are intended for back rooms, some for the front office, and some are for the general public. They are designed for technical users, others for end users. Some are intended to work standalone in real-time control applications, others for an environment of timesharing and pervasive networking. (Raymond, 2003, chap. 3) What has to be defined is the kind of system and the requirements.Every system has elements but none are as important as the input of data . This data can ultimately have an effect on the desired outcome . Each system requires users to enter data in a particular format. If this data is not entered correctly the system is unable to recognize the input as valid data. This is frequently the case with time and date fields. In this situation an error handling process is needed, users will perriodically make input errors. Design considerations are often focused on the wrong issues, to much time is spent on formulating the desired error message and where it must be displayed in the process.Frequently system programmers will design a system that provides instructions built into the application, thus providing the correct input format. So the users can understand exactly how they should enter the data. However, even this does not always help, users still make input errors, and developers complain about their "stupid" users. (Waloszek, 2000)One must think that this way of thinking is wrong. The problem truly is not with the users. The problem is the design of the system, thus forcing users to act in a "system-friendly " way. (Waloszek, 2000) Requiring users to enter data in a set format is the wrong approach. With any system the input fields can be designed to interpret the data entered. This prevents users from entering data incorrectly, and thus eliminates the need for onscreen instructions or the need for any kind of error messages.So, one must conclude that computer systems are truly not the problem. It's the way the data is formatted for the system that is the issue. If you eliminate the situations wherever you find them in your system; the users will find them to be highly beneficial. Only then will the entry of data be truly user-friendly.Roles in System Development -End UserThere are different factors that come into play when developing a system. However, in my opinion one of the most critical pieces is the end user. The idea of involving an end user into the development of a project is new within the last few years. The idea of developing the project is undertaken by some combination of business managers and users.The question remains, what is the preferred method to...

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