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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Iterative Enhancement Model This model was developed to remove disadvantages of waterfall model. In this model, phases of software development remain the same however the cons
What are the causes behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assumpt
how to write data dictionary for course management system
What are the types of metrics? Direct metrics - It refers to immediately measurable attributes. Example -Execution speed, Lines of code. Indirect metrics - It refers to the
What are the Problems of Prototyping In some organisations, theprototyping isn't as successful as anticipated. A common problem with this approach is that people expect much
Requirements Analysis of SDLC Requirements describe "What" of a system. Objectives which are to be achieved in Software process development are requirements. In requirements a
Q Who is a Software Engineer? What is his role in software development process? Ans) A software engineer is responsible for the implementation and design of a variety of softwa
Beta testing is testing an application when development and testing are essentially done and final bugs and troubles require to be found before the final release. Beta testing is t
(a) What is a view? (b) What is the implication of creating a view with the select * statement in the view definition? (c) Make reference to the relational schema given in
A supermarket requires to develop software to encourage regular customers. For this the customer requires to supply his name address telephone number and driving license number. A
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