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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.
Structured Analysis Model Structured analysis is the most broadly used of requirements modeling techniques relies on flow modeling and data modeling to established t
How do stubs and drivers are related to manual testing? - Drivers and stubs are a part of incremental testing. - The two different techniques used in incremental testing are
List the principles of a software design. i. The design process should not undergo from "tunnel vision". ii. The design should be traceable to the analysis model. iii. Th
What is Code Optimization and Code Generation?
List the principles of a software design. i. The design process should not suffer from "tunnel vision". ii. The design should be traceable to the analysis model. iii. The
Q Distinguish software faults and software failures? Ans: In case of a failure a software doesn't do what the users expect, a fault is a programming bug that may or mayn't act
Write down the concept of Functional independence. a. Functional independence is gained by developing modules with "single minded" function and an "aversion" to extreme intera
What are the characteristics of SRS? i. Correct - The SRS should be made up to date when appropriate needs are identified. ii. Unambiguous - When the needs are correctly un
"User documentation" is a document that explains the way a software product or system should be used to get the desired results.
Explain fan out and fan in with example.
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