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Determine the problems of software maintenance
Software maintenance has the below problems:
i) It is very cumbersome to analyse and understand code written by somebody.
ii) No standards for maintenance have been developed and area is comparatively unexplored area.
iii) Few techniques and tools are available for maintenance.
iv) It is viewed as a necessary evil and delegated to junior programmers.
The numerous phases of software development life cycle are strongly coupled, and output of one phase governs activity of the subsequent phase. Therefore all the phases need to be carefully managed and planned and their interaction requires close monitoring. Project management becomes critical in larger systems.
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
Define Behavioural Modelling. The state transition diagram shows the characteristics of a system by depicting its states and the events that cause the system to change state
Discuss about RAD Model Rapid Application Development Model is the one type of incremental model. Gains the high speed development utilising component based construction.
Explain incremental model? The incremental model is proposed by D.L PARNAS. It is basically executed by combining elements of linear sequential model and iterative prototyping
Q. Explain throw-away prototyping and evolutionary prototyping. Discuss the differences between the two. Ans Throw-Away Prototyping as well called close ended prototyping .
What is the purpose of timeline chart? The purpose of the timeline chart is to emphasize the scope of the individual task. As set of tasks are given as input to the timeline ch
Cloud computing is becoming an unrelenting force that is driving competition in the ERP industry and can no longer be ignored by legacy systems, such as Oracle and SAP. Larry Ellis
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to assume effort as a function of line of codes (LOC)
Q. Show the cost drivers used in COCOMO model? A variety of attributes of cost drivers used in COCOMO model are: 1. Physical attributes : These are worried with required
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
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