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Why is maintenance of a software important?
The alteration of a software product, after delivery, to correct faults, to improve performance or other attributes, or to adapt the product to a changed environment.
Maintenance is a significant part of the software life-cycle. It is costly in manpower and resources, and one of the aims of software engineering is to decrease its cost.
The most significant problem during maintenance is the before correcting or modifying a program, the programmer must first understand it.
Q. Explain the bath tub curve of hardware reliability? Ans: As indicated in the diagram below there are three phasing in the life of whichever hardware component that is burn
It is possible to assign a local data object defined in a subroutine or function module to a field group. False.
What are the prototyping approaches in software process? i. Evolutionary prototyping - In this approach of system development, the initial prototype is prepared and it is then
What is meant by System Requirements Set out the system constraints and services in well explained. Serves as a contract among the system buyer & the system developer.
What is Non-intrusive Testing? Testing that is transparent to the software under test; i.e., testing that does not alter the timing or processing characteristics of the software
(1)The planned systematic activities essential to make sure that a component, module, or system conforms to established technical requirements. (2) All actions that are taken to
Discuss about Throw-away prototyping Objective: The principal aims of this model is to validate or to gain the system requirements. It is developed to minimise requi
Asynchronous control
Software restructuring Software restructuring changes source code and / or data an effort to make it amenable to future changes. In general, restructuring does not change the o
What is Compatibility testing - It's a non-functional test performed on a software system or component for checking its compatibility with the other parts in computing environm
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