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Q. Why is maintenance of a software important? Discuss some of the problems that are faced during maintenance of software.
Ans: The modification of a software product subsequent to delivery to correct faults to improve performance or other attributes or to adapt the product to a changed environment.
Maintenance is a vital part of the software life-cycle. It is expensive in manpower as well as resources and one of the aims of software engineering is to reduce its cost.
The most vital problem during maintenance is the before correcting or modifying a program and the programmer must first understand it.
Define software testing? Software testing is a critical element of software quality assurance and shows the ultimate review of design, specification, and coding.
How do you develop a test plan and schedule? Describe bottom-up and top-down approaches. A test plan is contract among the testers and the project team explaining the role of t
Decision-making is the activity of deciding appropriate action in given situations. Having useful information helps to reduce the uncertainty in decision-making. Information is
Adding to below means
System Development Life Cycle (SDLC) stages are sometimes known as System Study. System concepts which are important in developing business information systems expedite problem sol
how to threat into opportunities and weaknesses into strength
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Explain Static analysis? Ans) (1) Analysis of a program that is performed without implementing the program. (2)The process of assessing a system or component based on its for
Clear box testing and Ad-hoc Testing Clear box testing is white box testing which is a structural testing method. It needs understanding of the internal logic and flows of the
What is a state transition diagram? State transition diagram is basically a collection of states and events. The events cause the system to change its state. It also show what
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