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Define Data Flow Diagram.
A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output.
The basic structure of a data flow diagram, also known as a data flow graph or a bubble chart.
What are the two levels of testing? i. Component testing Individual components are tested. Tests are produced from developer's experience. ii. System Testing The group
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Question: Consider the University modular degree scheme where students choose a selection of modules from a large menu. Here we have the basic types [PERSON, MODULE], the set o
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Question: (a) Differentiate between circuit switching and packet switching. (b) Using an example, explain the main parts that form a URL (Uniform Resource Locator). (c)
System software
what are draw backs or disadvantages of waterfall model
What are the tools are mainly used for information gathering 1. Record review: A review of recorded documents of organisation is performed.Manuals procedures, forms and book
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
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