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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
classification of computer application
What is a modular system? A modular system having of well defined manageable units to well defined interfaces between them.
Explain in detail about the real time systems. Hard and soft real time systems. Real time and high performance. Real-Time control. Real time software design P
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Class A class is a template that states the properties of objects. Classes have an interface which having of the operation, a body which executes the operations and instance va
Define debugging. Debugging is defined as the process of removal of defect. It occurs as a consequence of successful testing.
Define software scope. The first software project management activity is the determination of software scope. Scope is explained answering the following questions. Context:
What are the objectives of software design? Objectives of software design The objective of the design phase is to plan a solution of the difficulty
What does data object means? Data object is a group of attributes that behave as an aspect, quality, characteristic or descriptor of the object.
Why WinRunner may fail to identify an object on a GUI? WinRunner may fail to recognize an object in a GUI in below cases: - If it isn't a standard windows object - If the
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