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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 is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
Write definition of DFD? Data Flow Diagram supplies the information flow and the transforms that are used on the data as it moves from input to output.
Define Software Lifecycle. Software Lifecycle is the time period beginning with the idea for a Software product ending whenever the Software is unavailable for use. SLC = SL
What is a process modeling and management tool? Process modeling and management tools are used to show the key elements of a process so it can be better understood. Such tools
What is Configuration management planning? All products of the software process may have to be managed: Specifications; Designs; Programs; Test data; User
role of srs
Question: (a) ‘Information Strategy involves the encompassing of an organisation's information requirements and information systems planning with its long-term objectives.' T
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Level 5 (Optimising) Organisation satisfies all the requirements of level-4. This is final level. Organisation at this maturity level is considered almost perfect. At this st
Q Calculates function point value for a project with the following domain characteristics: No. of I/P = 30 No. of O/P = 62 No. of user Inquiries = 24 No. of fil
what is interpreter explain pure and impure interpretion
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