Requirements analysis includes all activities that go into the investigation, scoping and defining a new system or amended. The first activity in the analysis phase is to make preliminary inquiries. During the preliminary investigation, data collection is very important and for this we can use techniques to find the fact.
The following technical fact-finding for the collection of data will be used:
Interviews -Analysts interviews, information on the current system are the potential users for the collection. Here, analysts misunderstanding areas, except for unrealistic and descriptions of activities and discover the problems with resistance to the proposed new system. The interviews are very time.
Questionnaire - Here analysts collect data from large groups. The questionnaire can be opened or closed questionnaires. Open-endedThe questionnaires are used to learn the feelings, opinions, experiences in the general process in detail or a problem. These questions are answered in their own words. If, as a series of questionnaires, the answers may be used in concrete and closed questions should be selected. This is expensive because the issues to be printed.
Record of inspections or reviews - essential information such as reports, invoices, policy manuals, regulations,Standard Operation Procedures, etc., can for a better understanding of the system are used.
Observation - This is a skill that analysts are becoming. Analysts have identified the right information and select the right person and look at the right place to achieve its objective. He should be a clear vision of how the various services and transactions between them, and this should be a good observer.
Needs assessment is an important part of the systemdesign process, with requirements for engineers and business analysts, along with system engineers, software developers, identify the needs and demands of customers. Once customer needs have been identified and collected facts, system designers are able to design a solution.
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