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Importance of Software Engineering
As the application domains of software are becoming complicated and design of big software without a systematic method is virtually impossible, field of software engineering is increasingly gaining significance. It's now developing like an industry. Therefore, industry has to answer following or similar queries of clients:
1) What is the best approach to design of software?2) Why the cost of software is too high? 3) Whycan'twe find all errors? 4) Why is there always some gap between claimed performance and actual performance?
To answer all these queries, software development has adopted a systematic approach.
Software development shouldn't remain an art. Scientific basis for duration, cost, defects, risks etc. are required. For quality assurance, process qualities and product qualities should be made measurable as far as possible by developing metrics for them.
desidn a complete flow chart diagram ,which ask the user to input the rate of diesel and quantity of diesel consumed.after calculate the total amount of diesel consumed and display
Define System Modelling? Define the processes that provide the needs of the view under consideration. Shows the behaviour of the processes and the assumptions on which t
What does modality in data modeling indicates? Modality shows whether or not a particular data object must participate in the relationship.
What are the various types of system testing? 1. Recovery testing - is intended to check the system's capability to recover from failures. 2. Security testing - verifies tha
What is software maintenance Alters to the software are made in response to altered requirements but the fundamental structure of the software remains same.
What is Verification represent? Verification represents the set of actions that are performed to confirm that the software correctly implements the particular functionality.
When must a function throw an exception? A function must throw an exception when it's not able to fulfil its promise. As soon as function detects a problem which prevents it
What is Software configuration management? ans)Software Configuration Management (SCM) is the control and the recording of alter that are made to the software and documentation
Question: (a) Briefly explain the following concepts: (i) Encapsulation and its advantages (ii) Abstract class and its use (iii) Polymorphism and its advantages (b)
Categories of software maintenance There are three categories of maintenance: i) Corrective Maintenance ii) Adaptive Maintenance iii) Perfective Maintenance
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