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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.
Explain the design principles. The design process should not endure from tunnel vision. The design should be traceable to the analysis model. Design should not re
Throw-away prototyping Objective: The principal objective of this model is to validate or to derive the system requirements. It is developed to reduce requir
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 we called the problem arising in development of software Problems arising in the development of software is called as crisis. It includes problems arising in the process o
What is Transform mapping? The transform mapping is a set of design steps applied on the DFD in order to map the transformed flow characteristics into exact architectural style
Subroutines Frequently, the similar piece of code must write over again in many dissimilar parts of a program. Instead of repeating the code every time it is required, there
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
Q. Disadvantage of lines of code? 1. Lack of Accountability: Lines of code measure suffers from some fundamental problems. A few think it isn't useful to measure the productivi
What is Prototype Prototype is developed so that customers, developers and users can learn more about problem. Hence prototype serves as a mechanism for identifying software r
EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
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