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how software metrics is beneficial for sfotware engineerusing software metrics software engineer measures software processes and requirements for
software metricsmeasurement is fundamental to an engineering discipline and software engineering is no exception software metric is a quantitative
how can we re-engineering of any productone additional difficulty in adopting this approach is large investment which exists in software system
state the advantages of prototyping advantages of prototyping outperform problems of prototyping hence overall its a beneficial approach to develop
what are the problems of prototyping in some organisations theprototyping isnt as successful as anticipated a common problem with this approach
evolutionary prototype in this prototype is constructed to learn about software problems and their solutions in successive steps prototype is
explain the throw away prototype in this technique prototype is discarded once its purpose is fulfilled and final system is built from scratch
what is prototype prototype is developed so that customers developers and users can learn more about problem hence prototype serves as a mechanism
how a prototype can be categorised 1 a paper prototype which is a model depicting human machine interaction in a form which makes user understand
explain the process of prototypingprototyping is a process which enables developer to create a small model of software ieee 61012 standard defines
determine the different steps of structured requirements definitionstep 1 make a user level data flow diagram this step is meant for gathering
explain the structured requirements definitionstructured requirements definition is an approach to perform study about complete system and its
what is relationship entities are associated to each other by relationships it denotes how two entities are associated a diamond notation with name
what is entity it is most elementary thing of an organisation about which data has to be maintained each entity has unique identity its
explain about the e-r diagramentity-relationship e-r diagram is detailed logical representation of data for an organisation it is data oriented model
illustrate the example of data dictionary of payroll data dictionary of payroll may include below fieldspayroll payroll details employee
demonstrate the symbol used in data dictionarya number of the symbols used in data dictionary are as followingx ab
what are the related data itemsrelated data items captures details of related attributes range of values store total possible values of that data
state about the data dictionary this is another tool of requirement analysis that reduces complexity of dfd a data dictionary is a catalog of all
define the factors of prime concern for system modelingfollowing four factors are of prime concern for system modeling1 system modeling is undertaken
what are the rules for making dfd the below factors must be considered when making dfds 1 keep a note of all processes and
name the techniques used in behavioural modelin conventional approach of modeling analyst collects great deal of comparatively unstructured data
illustrate about the behavioural modelbehavioural model definesdata of proposed systemi the internal functioning of proposed system ii
define the behavioural modelit defines operational behaviour of the system in this model numerous operations of the system are represented in
what are the tools of environmental model i statement of purpose it indicates basic objectives of systemii event list it describes