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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.
What are the guidelines for data design? i. Use systematic analysis on data. ii. Find data structures and related operations. iii. Prepare data dictionary. iv. Use inf
What is regression testing? Regression testing is the re-execution of some subject texts that have previously been conducted to make sure that changes have not propagated unin
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
Explain why waterfall model is more advantageous than adhoc methods. Ad-hoc Process Models- "Process capability is unpredictable due to the software process is constantly
What is a software project test plan? A test plan is the master document that having all details pertaining to testing of the application. Its contents include: - Testing sc
data dictionary diagram for library management system
Q. What is Control coupling? Control coupling: Module A as well as B are said to be control coupled if they communicate by passing of control information. This is typically a
Automated testing is a formally specified and controlled method of formal testing approach. or That part of software testing that is assisted with software tool(s) that does
How LRU technique is implemented The LRU policy is more difficult to execute but has been more attractive on the assumption that the least recently used page is a better candid
Define software prototyping. Software prototyping is explained as a rapid software development for validating the requirements.
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