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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.
Usability testing is testing of 'user-friendliness'. User interviews, surveys, video recording of user sessions and other methods can be used. Programmers and developers are usuall
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Find the length of the hypotenuse. With a short side of radical 3 and a long side with 3 radical 2 Simplify the radical if you can.
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