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Q. Discuss some of the problems that are faced during maintenance of software?
- Habitually another person or group of persons working over the years in isolation from each other writes the program.
- Habitually the program is changed by person who did not understand it clearly resulting in a deterioration of the program's original organization.
- There is a high staff turnover in the information technology industry. Because of these people who aren't the original authors maintain many systems. These persons mayn't have adequate knowledge about the system.
- Some problems merely become clearer when a system is in use. Several users know what they want but lack the ability to express it in a form understandable to programmers. This is mainly because of information gap.
Explain Process? The work effort that makes a product. This contains efforts of people and equipment guided by policies, standards, and procedures.
What is Relationship Entities are associated to each other by relationships. It denotes how two entities are associated. A diamond notation with name of relationship signifi
Four Different Phases of spiral model are: 1) Planning 2) Risk analysis 3) Development 4) Assessment
Difference between Verification and Validation Verification is Static whereas Validation is Dynamic. This means in Verification the s/w is inspected by looking into the code go
Write the Importance of standards. Encapsulation of best practice- avoids repetition of past mistakes. They are a framework for quality assurance processes - they include ch
Define Verification ?
Q. Consider a program which computes the square root of an input integer between 0 and 5000. Determine the equivalence class test cases. Determine the test cases using boundary val
Peripheral devices are irrelevant to the computer
Q. Facilitated Application Specification Technique? A team oriented approach is developed for needs gathering and is called facilitated application specification Techniques FAS
explain why older data models are being replaced by new data models.
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