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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.
Q. What do you mean by REVERSE ENGINEERING? REVERSE ENGINEERING:-It is a process of analyzing software with a outlook to understanding its design and specification. In t
State the working of spiral model In spiral model, after every phase a review is performed regarding all products developed up to that point and plans are developed for the sub
Q. Explain about Core dumps debugging technique? Debugging is the activity of locating as well as correcting errors. Core dumps: -A printout of all registers as well as rel
Database Definition: There are four basic steps involved in defining a database. They are: i) Creating a Field Definition Table (FDT) : The possible content of data recor
State the Testing and Debugging Testing is process of verifying if the application matches needs and reporting bugs; Testing is usually done by an independent testing team wher
What does Validation represent? Validation show the set of activities that make sure that the software that has been built is satisfying the customer requirements.
Q. Define External coupling? External coupling: A form of coupling in that a module has a dependency to other module external to the software being developed or to a particul
What is Data Binding? The matrix that attempts to capture the module-level concept of coupling is data binding. Data binding are a calculate that captures the data interacti
Problem: (a) Draw an Entity Relationship Diagram for the given case study. Show entities and relationships on the diagram (attributes should not be shown). Cardinality and op
The sudden and finish failure of a computer system or component.
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