System Development Life Cycle

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Information technology has been fast growing and becoming vital issue in daily lives. It is applied in almost every field in order to make the processes easier and simpler. Lots of software available for the user to install on the computer to perform a specific task such as play game, create document and watch movie. In last few decades, only one programmer was needed in software development process to write code for solving a problem. However, the system is becoming complex today as it has involved programmers, software engineers, system analysts and users to work together to generate millions lines of codes. Systems development life cycle (SDLC) has been created to manage this problem. SDLC is the most popular methodology used by organization to develop an effective information system that comprised of networks of hardware and software. According to Valacich, George, and Hoffer (2012), systems development life cycle is divided into five phases which are system planning, system analysis, system design, system implementation and system maintenance (refer to Figure 1 in Appendix 1).
The first phase of system development life cycle is system planning. The important processes in planning phase is understanding the reason of building the system and identify how the project team built the system (Alan Dennis & Barbara Haley Wixon, 2000). There have two primary activities in planning phase. The first activity in this phase is determines the requirements for new or enhanced system. This acknowledgement is part of the panning phase in larger organizations. Examination of organization about the information requirements and projects to fit these needs are determined. Jeffrey A. Hoffer, Joey F. George, & Joseph S. Valacich (2011) mentione...

... middle of paper ...

...ost detracting step of implementation phase is testing because the cost of bugs can be gigantic (Alan Dennis et al., 2000). Programmers put in most time and effort on testing than writing coding. After the system was passed in tests, installation is carried out. During installation, old system is turned off and new system is used. Completion of documentation, training programs and users help are implementation activities. During implementation, documentation and training programs are finalized. A training plan must conduct to teach users how to use the system and control the adjustment caused by new system.

Works Cited

Lungu, I. C., & Bara, A. (2005). Executive information systems development
Lifecycle. Economy Information, 1(4), 19-22.
Valacich, J. S., George, J. F., & Hoffer, J. A. (2012). Essentials of system analysis and design. London, UK: Pearson PLC.

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