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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.
What is Peer Reviews? Ans) A methodical examination of software work products by the producer's peers to recognize defects and areas where changes are required.
What is Delphi model? In Delphi method, a number of parameters to be considered based on as experts estimates. The group estimate is taken as on an average of the weighted
What is CASE? CASE tool stands for Computer Aided Software Engineering. Computer Aided Software Engineering tools assist software engineering manages and practitioners in each
Testing that takes into account the internal mechanism [structure] of a system or component. Types contain branch testing, path testing, statement testing. Testing to insure eve
What is architectural transformation? This is a more radical approach to software change then maintenance as it involves making significant changes to the architecture of the s
Question : (a) What are the main characteristics of an ERP system? List the benefits and disadvantages of implementing an ERP system at Hawkins Cookers Ltd. (b) Explain the
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
A storage tank has a container to keep a certain amount of fuel and it also has an indicator to inform about the level of fuel inside the container. The container cannot exceed
need of platform assignment system
Testing a new or an changed data processing system with the similar source data that is used in another system. The other system is taken as the standard of comparison.
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