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What are the advantages of Software maintenance
Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of capabilities and optimisation. Thus once the software becomes operational, whatever changes are done are called as maintenance. As software requirement change continuously, maintenance becomes a continuous process. Practically the cost of software maintenance is far more than cost of software development. It accounts for 50% to 80% of total system development costs.
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
Fan in/Fan-out :- Fan-in is a measure of the number of process or functions that call some other function or process (say X). Fan-out is the number of functions that are known
Draw the Context level DFD for the Safe home Software. User commands Alarm type Telephone Number tone Sensor status Display Information
Probelm: (a) Compare Supply Chain Management (SCM) and Customer Relationship Management (CRM) . How are they similar? How are they different? Your answer should show the differ
What are the different architectures developed during BPE? Data architecture àframework for the information needs of a business. Application architecture à incorporates the
encoded micro instruction vs unecoded micro instruction
what is driven development?give example what benifit of driven development
Key process areas of Capability Maturity model (CMM) Effectiveness, Predictability and control of an organization's software processes are believed to get better as the organiz
Explain the design steps in transaction mapping. Review the fundamental model. Review and refine the DFD for the software. Verify whether the DFD has the transfo
RAD Model Rapid Application Development Model is the method of incremental model. Achieves the high speed development using component based construction. Phases
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