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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 is meant by Throw away Prototyping? Giving the user a system which is incomplete and then augmenting and modifying it so that user requirements become clear. The obj
What is a process modelling and management tool?
What is Change management tools? Change management is a process in which it can be modelled and integrated with a version management system. Change management tools Fo
How is cyclomatic complexity useful in program test? Cyclomatic complexity calculates the amount of decision logic in a single software module. It is used for two related purpo
(a) What is a view? (b) What is the implication of creating a view with the select * statement in the view definition? (c) Make reference to the relational schema given in
What is COCOMO model? COCOMO stands for COnstructive COst MOdel. It is used for cost Effort=a * KDLOCb Where a and b are two parameters of the model whose specific values
Explain Structure-based testing techniques - Structure-based testing methods are also termed as white-box testing techniques. - These are dynamic methods. - They use the
Documentation specifying the scope, approach, resources, and schedule of intended testing activities. It signifies test items, the features to be tested, the testing tasks, respons
Describe the prototyping methods in software process. Two methods i. Evolutionary prototyping - In this approach of system development, the early prototype is prepared and i
Explain in detail about system testing. System testing Stress testing Performance testing Security testing
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