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Determine the problems of software maintenance
Software maintenance has the below problems:
i) It is very cumbersome to analyse and understand code written by somebody.
ii) No standards for maintenance have been developed and area is comparatively unexplored area.
iii) Few techniques and tools are available for maintenance.
iv) It is viewed as a necessary evil and delegated to junior programmers.
The numerous phases of software development life cycle are strongly coupled, and output of one phase governs activity of the subsequent phase. Therefore all the phases need to be carefully managed and planned and their interaction requires close monitoring. Project management becomes critical in larger systems.
State Entity and relationship diagram. ERD depicts linkage between data objects. The ERD is the notation that is used to execute the data modelling activity. The primary
Equivalence Partitioning: -Equivalence partitioning is black box testing method that separates the input domain of a program into classes of data from which test cases can be deriv
State the strategies of Software testing Two testing strategies are present. i) Code Testing: Code testing strategy examines the logic of the system. In this, analyst deve
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 th
What are the misunderstanding arise in software development Some of the common misunderstandings regarding software development are given below. 1. Correcting errors is eas
REVERSE ENGINEERING :- It is a process of examining software with a view to understanding its design and specification. In this, source code and portable code are the input
Boundary Value Analysis: It's widely examined that input values at the extreme ends of input domain cause more errors in system. More application errors happen at the boundaries
Write down the functional requirement for a Library management system. The user should capable to search either all of the primary set of databases or select a subset of dat
Test Case A test case is a unit level document describing the inputs, steps of implementation and the expected result of each test condition for each requirement from the BRD.
Text Retrieval Packages: Text retrieval comprises storage and subsequent retrieval of rat girds, essentially textual rather than numerical, tabular or graphical. Although, eac
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