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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.
Define Behavioral Modelling The state transition diagram represents the behavior of a system by depicting its states and the events that cause the system to change state.
Why decision tables are used in many cases instead of boundary value and equivalence partitioning analysis? - A decision table is an efficient way to deal with combinations of
Q. Explain about token count - software metrics? Token count :- A program is considered to be series of tokens and if we count the number of tokens, some interesting results m
Regression testing:- It is the re-execution of some subset of tests that have already been conducted to make sure the changes that have not been propagated unintended side e
Write down short notes on empirical estimation models ?
Installation testing is testing full, partial, upgrade, or install/uninstall processes. The installation test for a release is conducted with the aim of demonstrating production re
A Boolean graph connecting causes and effects. The graph is mainly a digital-logic circuit (a combinatorial logic network) by using a simpler notation than standard electronics not
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Q. Explain about Integration testing? Integration testing: The primary objective of integration testing is to test the module interfaces, i.e. there are no errors in the para
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