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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.
List any three characteristics of a good SRS. Ans:The SRS should be: Correct , Unambiguous, Complete 1. Correct: An SRS is correct if each requirement stated therein is on
Q. Explain Intermediate and Detailed COCOMO model? Intermediate COCOMO calculates software development effort as function of program size and a set of cost drivers that include
Big-Bang Testing : In this all the modules after unit testing are joint and tested in one go. The problem with this type of testing is debugging of errors.
Explain Validation and verification testing? Ans) Used as an entity to describe a procedure of review, analysis, and testing all over the software life cycle to discover errors,
Mention some of the drawbacks of RAD model. Not suitable for largescale projects. Commitment of developers & customers are required. Not appropriate when technical ris
What is a process modelling and management tool?
What is Test phase? Ans) The time period in the software life cycle in which the parts of a software product are evaluated and integrated, and the software product is evaluated
What is process involved in maturity levels in SEIs CMM. Level 1: Initial - a small number of processes are defined and individual efforts are taken. Level 2: Repeatable - T
what is iterative and evolutionary developments? how iteration help in refining requirements
INFORMATION STORAGE AND RETRIEVAL SOFTWARE: IBM (International Business Machines Corporation) was one of the earliest to invest money to develop software packages intended fo
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