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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 are the objectives of software design? Objectives of software design The objective of the design phase is to plan a solution of the difficulty
Q. Discuss the various strategies of design. Which design strategy is most popular and practical? Ans The most commonly utilized software design strategy involved decomposing
A multiplattered HDD is formatted into twenty sectors and 16 hundred cylinders. There are eight platters and 16 R/W heads. The total capacity of the disc is 1GB. A cluster of data
What is the meaning of cardinality in data modelling? Cardinality in data modelling, cardinality specifies how the of occurrences of one object is linked to the number of occur
Q. What is verification? Ans. Verification is the procedure of determining whether the output of one phase of software development conforms to that of its previous phase wh
What are the advantages and disadvantages of big-bang? Advantages: This approach is easy. Disadvantages: It is difficult to debug.It is not easy to isolate errors whereas te
INFORMATION STORAGE AND RETRIEVAL SOFTWARE: IBM (International Business Machines Corporation) was one of the earliest to invest money to develop software packages intended fo
What are the two levels of testing? i. Component testing Individual components are tested. Tests are derived from developer' s experience. ii. System Testing The group
What is Software configuration management? ans)Software Configuration Management (SCM) is the control and the recording of alter that are made to the software and documentation
Q. What is reverse engineering? Ans. It is a method of analysing software with a view to understanding its design and specification. - In source code, reverse engineering
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