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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.
What kinds of bottlenecks can be expected in performance testing? Bottlenecks in performance testing can have below effects: - It can affect the performance and the scalabil
Code Complete - Phase of development where functionality is executed in entirety with only bug fixes remaining. - All functions from the functional specifications are alrea
A walk-through is an informal meeting for informational purposes or evaluation.
Q. Explain about non-functional requirement for a software ? Ans) Nonfunctional requirements are the basic characteristics of the system which will not be expressed as function
Define Requirement Engineering. Requirement Engineering is a process that includes all of the activities needed to create and maintain a system requirements document. The fo
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Hardware and Software Requirements: The present versions of CDS/ISIS require the following minimum hardware and software: i) MS-DOS Version: an IBM PC or Compatible micro
Q. Explain the relationship between Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Pr
State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
What is meant by Data dictionary? The Data dictionary is an organized listing of all data constituents that are related to the system, with precise, accurate definitions so tha
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