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A store is in the business of selling paints as well as hardware items. A numeral of reputed companies supplies items to the store. New suppliers are able to also register with the store after providing necessary details. The customer is able to place the order with the shop telephonically. Or personally In case items aren't available customers are informed. The detail of each new customer is stored in the company's database for future reference. Usual customers are offered discounts. Additionally details of daily transactions are also maintained. The suppliers from time to time as well come up with attractive schemes for the dealers. In case system is attractive for a particular item the store places order with the company. Details of past schemes are as well maintained by the store. The details of every item that is item code and quantity available and so on is also maintained. Depict a level 1 DFD for the above requirement.
Hybrid design: Pure top-down or pure bottom up approaches are often not practical thus hybrid approach which combines the above two approaches is often used.
How the CASE tools are classified? CASE tools can be classified by A. By function or use B. By user type(e.g. manager,tester),or C. By stage in software engineering pr
how does software myth affects software process
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional requirements of the software. Te
Q. Resource usage with reference to software reliability models? Resource usage: It is linearly proportional to implementation time t and mean failures experienced μ. Let Xr
Software
What can be main reasons for a bug not being to reproduce? What must be done if such a bug is found? A bug can't be reproduced for below reasons: 1. Low memory. 2. Things
Explain version description document (VDD)? Ans) Version description document (VDD) is a document that accompanies and signifies a given version of a software product. Typically
Regression testing It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side effect
explain delphi model
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