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Describe about the Environmental model
It indicates environment in which system exists. Any small or big system is a sub-system of a larger system. For illustration, if software is developed for a college, then college would be part of University. If it's developed for University, University will be part of national educational system. Hence, when model of the system is made these external interfaces are defined. These interfaces reflect system's relationship with external universe (known as environment). Environment of a college system is demonstrated in figure below.
What does Modularity concept mean? Software architecture embodies modularity; ie, Software is named in to addressable components called as modules that are integrated finally.
Discuss about the Software Maintenance Maintenance in the normal sense means correcting problems caused by wear and tear though software maintenance is different. Software is
What are the elements of Computer based Systems? Software: Data structures, Computer programs, & related document Hardware: Electronic devices, inter connectivity devices, E
Define Verification &Validation. Verification : The set of actions that make sure software correctly implements a particular function. Validation : The set of actions that
Illustrate the method of User documentation This usually comprises: - How to load/run the software - How to do a search - How to save files - How to do pri
What does Data abstraction contains? A Data abstraction is a named collection of data that describes a data object Eg: door Attributes: door type, Opening mechanism, Swing d
Test methodology is up to the end client, and can be used, reused, and moulded to your end client's requirements. Rob Davis believes that using the right test methodology is signif
What is the meaning of System Engineering? System Engineering means designing, deploying, implementing and operating systems which include hardware, software and user.
what is meant by 345 rule in IEEE 802.3 ?
Define the Design phase of SDLC In this stage, a logical system is built which fulfils given requirements. Design phase of software development deals with transforming custome
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