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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 are the objectives of Analysis modelling? i. To explain what the customer requires. ii. To establish a basis for the creation of software design. iii. To devise a se
What is software selection?
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A manifestation of an error in software. A fault, if encountered, might cause a failure.
What is quality control? Ans) Quality control means to preserve the quality of product by measuring their content , different physical parameters.
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What are the approaches of integration testing? The integration testing can be carried out using two approaches. 1. The non-incremental testing. 2. Incremental testing.
program for full subtractor?
Find the length of the hypotenuse. With a short side of radical 3 and a long side with 3 radical 2 Simplify the radical if you can.
Different levels of CMM: 1) Initial (maturity level 1) 2) Repeatable (maturity level 2) 3) Defined (maturity level 3) 4) Managed (maturity level 4) 5) Optimizing (
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