System Development |
Some notes from my system development class, topic 1. I have found that I needed to make some notes for quick reference.System DevelopmentThis is about chapter 1 and it concerns the system development life cycle. I have studied this before but it seems that I need to go through it again. But this time it is a bit different. The phases of the system development life cycle are:• Business need - how the system can help the business • Concept study - see how the system can be built and check for similar existing systems • Feasibility analysis - of the system to be built. whether it is worth building. • Requirements analysis - what the system will need to have/do • Specification - what features/functions/properties the system will have, and how useful/powerful it will be • Overall system design • Detailed design • Coding of individual “modules” • Testing of individual “modules” • Integration - actually use it in the business • System level testing - checking for errors and stuff • Verification - see if everything runs as intended • System “implementation” - making the system live and usable for the customers • Operational Use - the stage where the system is in use • Maintenance - fixing bugs that are found during operational use • Retirement - the system is discontinued when it gets too old, out-of-date, useless or outperformed by newer and better systems A lot of stuff for me to remember, eh? This is basically the waterfall model of system development. Very old, tedious, long and time-consuming. I personally don't like it much. Nowadays, other models are being used. But that would be a story saved for another time to tell. Referers Info
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