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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.
m2+m3+m5+m7+m12+m8+m9 simplify using k-map
This assignment uses the data set rent.txt, the Housing Rent Prices in Munich file available at ">http://www.interactivegraphics.org/Datasets.html. 1.Produce a scatterplot of Re
Functions that dynamic testing tools supports: 1: Input setting: selecting of the test data that the test object reads when called. 2: Stub processing : handling output
List the important properties of a modular system. Desirable properties are:- Every module is a well defined subsystem useful to others Every module has a well defined single
Define black box testing strategy. Black box testing describes the functional requirements of the software. Test cases are determined on the basis of the requirements or specif
Explain about rapid prototyping techniques. Used to animate the system specification. It is expressed in a formal, mathematical language to provide a system prototype
Construct an E-R Diagram for the application described on the next page. Include any additional assumptions you made about the application requirements. The assumptions may not dir
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Consider a program that registers students for different programs. The students fill up a form and submit it. This is sent to the departments for confirmation. Once it is confirmed
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
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