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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.
Distinguish between verification and validation. Verification refers to the set of activities that make sure that software correctly executes a specific function. Validation re
What is a Real time system? Real time system is a software system in which the correct functionalities of the system are dependent upon results formed by the system and the tim
To develop software of lasting quality you have to lay down a solid architectural foundation that is resilient to change. Modelling is at the heart of the development of good quali
Explain the compare of class diagram
Q. Software project planning necessitate what activities? What are the difficulties encountered in measuring the Software Costs? Ans. Software project planning necessitate th
What does it mean by business process engineering tools ?
What is data dictionary entry explain
Test Case A test case is a unit level document describing the inputs, steps of implementation and the expected result of each test condition for each requirement from the BRD.
Advantage of microcomputer software packages: i) compilation and maintenance of reference and fact files; ii) compilation of current and retrospective bibliographies
SOFTWARE DEVELOPMENT: Software development is a human activity. It involves a clear understanding of the field of application, such as library and information science; knowled
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