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What are the tools are mainly used for information gathering
1. Record review: A review of recorded documents of organisation is performed.Manuals procedures, forms and books are reviewed to see functions and format of present system. Search time in this technique is more.
2. On site observation: In case of real life systems, actual site visit is performed to get a close look of system. It helps analyst to detect the problems of existing system.
3. Interview: A personal interaction with staff is performed to identify their requirements. It needs experience of arranging the interview, avoiding arguments, setting stage and evaluating the outcome.
4. Questionnaire: It is an effective tool that requires less effort and produces a written document about requirements. It examines a large number of respondents concurrently and gets customized answers. It gives person sufficient time to answer queries and give correct answers.
System Development Life Cycle (SDLC) stages are sometimes known as System Study. System concepts which are important in developing business information systems expedite problem sol
Determine the problems of software maintenance Software maintenance has the below problems: i) It is very cumbersome to analyse and understand code written by somebody.
Discuss the limitations of software testing. How do we say that complete testing is impossible?.
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What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
what is design assignment
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