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What does Level0 DFD means?
Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bubble with input and output indicated by incoming and outgoing arrows.
What is prototyping approaches in software process? i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then refin
What are the various testing activities? i. Test planning ii. Test execution iii. Test case design iv. Data collection v. Effective evaluation
What is a process modelling and management tool?
Q. What is stepwise refinement? Stepwise Refinement:-Stepwise Refinement is a top-down design strategy initially proposed by Niklaus Wirth. A program is developed by consecutiv
What are the aims of Analysis modelling? i. To make apparent what the customer wants. ii. To set up a basis for the creation of software design. iii. To devise a set of v
Various attributes of cost drivers used in COCOMO model are: 1. Physical attributes: These are concerned with needed characteristics of the software product being developed.
Software Availability: In the present day context, software suppliers have realised the potential demand and also the special requirements of library and information professio
Scenario A scenario is a sequence of events that happen in a particular implementation of the system. A scenario can be defined textually by enumerating the sequence of events
What are the types of Software system requirements ? Functional requirements: Services the system should be required. Non-functional requirements: Constraints on the servi
Question: (a) Shneiderman's eight golden rules for dialogue design are (1) strive for consistency, (2) enable frequent users to use shortcuts, (3) give informative feedback,
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