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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.
Explain the compare of class diagram
structured analysis
Determine the Shared mode of QTP - Best used in subsequent cases: - When there are numerous tests which correspond to interface, objects, or application - When test obj
assignment
Hardware Requirements: INMAGIC Plus software package requires the following computer configuration: i) Micro : IBM PC or compatible with a minimum 640 K RAM. ii) Ope
what are the characteristics of artificial intelligence
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
Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th
Explain in detail about Black box testing. Black box or behavioural testing focuses on the functional needs of the software. It is applied during the last stage of testing.
Define the Design phase of SDLC In this stage, a logical system is built which fulfils given requirements. Design phase of software development deals with transforming custome
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