IGCSE ICT Ch 7 SDLC Grade 11

Analysis, or systems analysis, usually involves a full review of a current system

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Analysis of the current system

feasibility study phase, which determines whether it is viable to proceed with the development of the system.

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Feasibility Study

Interviews can be formal or informal, individual or group, face-to-face or via phone or video conference.

​​Interviews

Observations allow the systems analyst to see how systems are used by studying a stakeholder’s working environment

​​Observations

​A systems analyst may gather information by surveying stakeholders through the use of questionnaires

Questionnaires

Document analysis involves the thorough review of all existing system documentation.

​​Reviewing existing documentation

​he systems analyst uses the following techniques to gather information from users and stakeholders in a business or organisation:

Information about the current system that has been gathered by the systems analyst needs to be recorded and then analysed.

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Recording and analysing information about the current system

A diagram of the separate steps of a process in sequential order. Flowcharts are used to describe various steps of a computer or software system.

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Flowcharts

This process will identify the hardware and software required for the new system and justify why particular hardware and software has been recommended..

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System specification