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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.
Write down short notes on empirical estimation models ?
Word Processing Software: Word processing is one of the most wide spread applications software types in use today. Developed as a successor to primitive text-editors that re o
Q. What is ISO? Ans) ISO (International Standards Organization) - The ISO 9000 standard denotes the guidelines for maintaining a quality system.
Define debugging. Debugging is defined as the process of removal of defect. It occurs as a consequence of successful testing.
What is Path Analysis? Ans) Program analysis performed to identify all possible paths through a program, to detect incomplete paths, or to discover portions of the program that
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FAST stands for :- FAST :- Facilitated Application Specification Technique
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
What is RAD Approach As the term suggests, this model gives a quick approach for software development and is based on a linear sequential flow of numerous development processe
explain coupling
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