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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.
Define White box testing White box testing method deals with the internal logic and structure of the code. White box testing also called as glass, structural, branches, paths
What is Data Dictionary? Data dictionary is a storehouse of data giving information about data. It is a list of terms and their meaning for all data items and data files of a s
I am working on DD development project and I am using 475 field communicator for testing DD. While development of DD, I tested DD with SDC 625 PC application using HART modem. I h
Determine the Software development models Software Engineering deals with development of software. Thus, understanding the basic characteristics of software is essential. Softw
what are the characteristics of artificial intelligence
1. Please compare and contrast economic, market, and relevancy value. 2. Discuss uncertainty as it relates to the overall logistical performance cycle. How can performance cycle
List any three characteristics of a good SRS. The SRS should be: Correct , Unambiguous, Complete 1. Correct: An SRS is correct iff every requirement stated therein is one
State Procedural abstraction. A Procedural abstraction is a named sequence of instructions that has a specific and limited function. Eg: Open Walk to the door, reach out &
What are the advantages and disadvantages of size measure? Advantages: Artefact of software development which is simply counted. Many existing methods use LOC as a key input. A
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