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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.
What is Configuration management planning? All products of the software process may have to be managed: Specifications; Designs; Programs; Test data; User
What are the Rules for making DFD The below factors must be considered when making DFDs: 1. Keep a note of all processes and external entities. Give unique names to th
What are the approaches of integration testing? The integration testing may be performed using two approaches. 1. The non-incremental testing. 2. Incremental testing.
What is Upward compression? Ans) In software design, "upward compression" means a type of demodularization in which a subordinate module is copied into the body of a better modu
Static testing and dynamic testing Static testing is checking the application without actually running the application while dynamic testing checks the application by running i
Q. What is RE-ENGINEERING? RE-ENGINEERING :- It is re-organizing as well as modifying existing system to make them more maintainable. It involves Source code translatio
four circumstances where incremental model is appropriate?
What is a software project test plan? A test plan is the master document that having all details pertaining to testing of the application. Its contents include: - Testing sc
The "user guide" is the similar as the user manual. The user guide is a document that shows information essential to employ a system or component to get the desired results. Typica
Describe Equivalence Partitioning Ans) Input data of a program is separated into different categories so that test cases can be developed for every category of input data. The g
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