Initial Investigation

First step in SDLC is the identification of the user’s need. The initial investigation is one way to do this. Another objective at this stage is to determine whether the user’s need is feasible or not.

Strategies for determining information requirements are:

1) Asking

2) Getting information from present system

3) Prototyping

Initial investigation have following steps:

1) Problem Definition:

Problem definition is the process of identifying the need of the user which led him to request for the system change.

2) Background Analysis:

Background analysis is the process of getting the basic information about the Customer’s Company or organization i.e. how it really works? What people are involved in it? Etc.

Background analysis helps the system analyst to prepare the organization chart with the list of people and functions.

3) Fact finding:

After obtaining the background information, analyst start gathering the data like input, output and cost of the existing system. Information can be gathered by following tools:

a.) Review of written documents.

b.) On-site observations

c.) Interview and questionnaires

4) Fact Analysis:

After the collection of data it must be organized and evaluated so that report can be prepared for the final approval from the user.

5) Determination of Feasibility:

After organizing data, and fact analysis feasibility is evaluated and determine that any alternative proposal is possible or not for the customer’s Project.

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