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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Explain the persistent class maps to one relational table In most of cases, persistent class maps to one relational table (keeping aside inheritance issue, for the moment). In
Explain about the E-R Diagram Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD
What are the characteristics of SRS? i. Correct - The SRS should be made up to date when appropriate needs are identified. ii. Unambiguous - When the needs are correctly un
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Advantages of Re-Engineering:- 1) Reduced risk - there is a huge risk in new software development. There might be development problems, staffing problems and specification pro
List four reasons why it is difficult to improve software process. It is difficult to improve software process due to following reasons: 1. Lack of knowledge 2. Not eno
Define Data Dictionary. The data dictionary is defined as an organized collection of all the data elements of the system with accurate and rigorous definitions so that user and
Write the Process classification. Informal No detailed process model. Development team chose their own way of working. Managed Explained process model wh
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What are the objectives of software design? Objectives of software design The objective of the design phase is to plan a solution of the difficulty
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