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Why software change occurs?
Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need to be repaired. New equipment must be accommodated. The performance or reliability might have to be improved.
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
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
Introduction The goal of the assignment is to build functionality on top of twitter that allows you to encrypt tweets to subgroups of your twitter Background Material R
Big-Bang Testing : In this all the modules after unit testing are joint and tested in one go. The problem with this type of testing is debugging of errors.
Static testing tools: 1. Static analysers 2. Code inspectors 3. Standard Dynamic testing tools 1. Coverage analyzers (execution verifiers) 2. Output co
Indexing: The CDS/ISIS package indexes all fields selected for indexing into a single file. This file is known as 'inverted file'. There are indexing techniques for building i
1. An orderly development of testing in which software elements, hardware elements, or both are joined and tested, to check out their interactions, unless the entire system has bee
USE OF SOFTWARE PACKAGE: The concept of applications software and were told about software packages and their types. In other words, the discussion implies that instead of wri
You are to develop a Clinic System . 1. Identify and briefly explain the objects, classes, methods and attributes for the Clinic System. 2. Draw a use case diagram to represe
What is the Legacy Challenge in Software Engineering?
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