Sample Mind Map

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CHAPTER 3: SYSTEM’S ANALYSIS

3.3 Information Gathering Techniques (Chapter 4 & 6)

6. Prototyping A prototype is a model of a proposed system.

5. Joint Application Design Joint Application Design is an information gathering technique that allows a systems development team, users and management to work together in a highly focused workshop to identify requirements for the system.

4. Questionnaires Questionnaires are used when there are a large number of users.

3. Review Of Documents Written documents include manuals, procedures, forms, reports etc.

2. Interviews Interview reveals information about the interviewee opinions and feelings about the existing state of the system, organizational and personal goals and informal procedures.

1. Observation Observing allows you to gain information that you cannot get by any other information gathering techniques

Systems analysis phase includes the four main activities: 1. Data and Process Modelling 2. Object Modelling 3. Requirement Model 4. Development Strategies

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Systems analysis – The process of gathering information about the existing system, which may or may not computerized, while identifying the system’s strength and problem.

3.2 Analysis of a System’s User Needs (Chapter 5 & 7) Documenting Systems Analysis- Data Flow Diagram:

Description of the system problems and proposed solutions will be written in narrative form.

The most widely used graphic presentation in the analysis phase.

3.1 Analysis of Current System Achievement (Chapter 5 & 7) Importance Of Analysing Requirements: (Analysing requirements stage identifies user information needs and new systems requirements)

These systems are predominantly data-driven systems

Structured analysis has become a dominant technique for documenting user requirements providing methods to the systems analyst and business analyst

The design of the new system will be based on these determined requirements

To ensure that the new system will serve the needs of the organization