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What does Level0 DFD represent?
Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubble with input and output shown by incoming and outgoing arrows.
Give the procedure of the Delphi method. 1. The co-ordinator shows a specification and estimation form to each expert. 2. Co-ordinator calls a group meeting in which the exp
Differentiate between testing and QA. - Quality Assurance is more a preventive thing, which ensures quality in company and hence the product instead of just testing the product
what are the main characteristics of software lease
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Function testing of OO software is no dissimilar than validation testing of procedural software. Client involvement is generally part of this testing stage. In OO environment use c
What is software selection?
Write down the functional requirement for an Library management system. The user should able to search either all of the initial set of databases or select a subset of datab
What is regression testing? Regression testing is the re-execution of some subject texts that have previously been conducted to make sure that changes have not propagated unin
A program is to be developed to simulate the operations of a scientific calculator. List the facilities to be provided by this calculator. Analyze this using a DFD 0 - level and 1
Black Box Testing :-Black Box Testing is also known as behavioural testing, focuses on the functional requirements of the software. It allows the software engineer to derive sets o
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