ISYS104 Lecture Notes - Lecture 10: Systems Development Life Cycle, Information System, Requirements Analysis
1 Sep 2018
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Document Summary
A process of creating and maintaining is"s. Also known as system analysis and design. It is more than just developing computer programs. If making a software or system go through process of sdlc. Systems development developing an entire is system in which software is part of. Difficult of finalising/understanding requirements : massive projects are difficult to understand. Change in requirements : larger projects/longer projects are more likely to change. Scheduling and budgeting : who, how, have resources, money to do it/profit made. Brooks law (diseconomies of sale) : adding more people to a project can make it finish later . Involves system development problems and is a common process. Identify features and functions: component design. Technical design on approved requirements: implementation. Implement, test and install new system: maintenance. Stepping through phases: systems definition phase, define system goals. What is and isn"t included in the system, determines requirements: feasibility check. Organisational : ethics of company: project team.
