INFORMATION SYSTEM DEVELOPMENT (ISD):
Information systems are design for those people who have very little knowledge of information technology. The five phases of information system development are
System Analysis System Design
Three task of this phase are
- Defining the problem
- Analyze current system
- Selecting the best solution
Analysis will convert into Charts and making User Manuals.
- Writing computer programs.
- Testing and debugging programs.
- Install developed system on computers.
- Training of operators and users.
After implementation if any error occurs then it will remove in this phase.