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Information System Life Cycle by Mind Map: Information System Life Cycle
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Information System Life Cycle

Planning Phase

Consists of a set of activities: 1. Assemble the project. 2. Justify project. 3. Choose development methodology. 4. Develop a project schedule. 5. Produce a project development plan.

Maintenance Phase

Involves day-to-day operation of the system, making modifications to improve performance, and correcting problems. After an information system is implemented, it remains in operation for a period of time. During this time, maintenance activities ensure that the system functions as well as possible. There are a list of activities for this phase: 1. Operate equipment. 2. Make backups. 3. Provide help to users. 4. Fix bugs. 5. Optimize for speed and security. 6. Revise software as necessary to meet business needs.

Design Phase

The project team must figure out how the new system will fulfill the requirements specified in the System Requirements Report. There are a list of activities for the Design Phase: 1. Identify potential solutions. 2. Evaluate solutions and select the best. 3. Select hardware and software. 4. Develop application specifications. 5. Obtain approval to implement the new system.

Implementation Phase

The project team supervises the tasks necessary to construct the new information system. There are a set of tasks that take place during this phase: 1. Purchase and install hardware and/or software. 2. Create applications. 3. Test applications. 4. Finalize documentation. 5. Train users. 6. Convert data. 7. Convert to new system.

Analysis Phase

The analysis phase begins after the project team selects a development methodology, draws up the Project Development Plan, and receives permission to proceed from management. The goal of the analysis phase is to produce a list of requirements for a new or revised information system.