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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 are the umbrella activities of a software process? Software project tracking and control. Risk management. Formal Technical Reviews. Software Quality Assurance.
Discuss in details the design steps in transaction mapping. Re-Check the fundamental model. Re-check and refine the DFD for the software. Determine the DFD has either
State Entity and relationship diagram. ERD depicts linkage between data objects. The ERD is the notation that is used to execute the data modelling activity. The primary
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What are the principles of testing Below are some of the principles of testing: i) All tests must be performed according to user requirements. ii) Planning of tests m
Special Value Testing: It is the form of functional testing. Special value testing happens when a tester uses his or her domain knowledge, experience with same program and informa
Common coupling: Common coupling is when two modules share the similar global data (e.g. a global variable). Changing the shared resource implies changing all the modules using it
What is the meaning of System Engineering? System Engineering means designing, deploying, implementing and operating systems which include hardware, software and user.
State about the Software Requirements Specification This document is produced as output of requirement analysis. Requirement analysis involves obtaining a clear and thorough
What is reverse engineering? It is a process of examining software with a view to understanding its design and specification. - In reverse engineering, source code and i
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