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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.
Configuration Management: Because of several reasons, software changes during its life cycle. As a result of the changes made, many versions of the software exist at one time.
A manifestation of an error in software. A fault, if encountered, might cause a failure.
Explain Quality control This includes checking the software development process to make sure that procedures and standards are being followed. There are two approaches to qu
"Upwardly compatible software" is software that is compatible with a later or more difficult version of itself. For example, an upwardly compatible software is able to occur files
How can we re-engineering of any product One additional difficulty in adopting this approach is large investment which exists in software system maintenance. It requires additi
What are command buttons? How to use command buttons? Command buttons are defines to as controls. The control is capable of implementing a set of instruction when the user clic
What is Customer (end user)? Ans) The organization or individual, internal or external to the producing organization that takes the product.
vi curve
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
Explain the Incremental Model Iterative and Incremental Models follow more or less the similar approach. Incremental Model is an intuitive approach to the waterfall model. Mult
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