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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.
Data validity is the reasonableness and correctness of data.
What are the approaches of integration testing? The integration testing may be performed using two approaches. 1. The non-incremental testing. 2. Incremental testing.
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Explain ISO 9000 ISO 9000 An international set of standards for quality management. Applicable to a range of organisations from manufacturing to service industries.
Explain some of the limitations of testing. Though testing is an significant part of system development and leads to a valid, verified and efficient system, it also faces some
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Product Engineering The Product engineering which is also called system engineering is a problem solving activity. To function, desired product data, and behaviour are uncovere
Subroutines Frequently, the similar piece of code must write over again in many dissimilar parts of a program. Instead of repeating the code every time it is required, there
Configuration management (CM) covers the tools and procedure used to control, coordinate and track code, needs, documentation, problems, change requests, designs, tools, compilers,
What is cyclomatic complexity? Cyclomatic complexity is software metric that provides the quantitative measure of logical difficulty of the program. The Cyclomatic complexit
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