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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.
What is Customer (end user)? Ans) The organization or individual, internal or external to the producing organization that takes the product.
Q. Resource usage with reference to software reliability models? Resource usage: It is linearly proportional to implementation time t and mean failures experienced μ. Let Xr
What is bottom-up approach? System developed beginning from detailed modules. Testing begins from the detailed modules and proceeds up to the higher levels of hierarchy.
Q. Compare the basic COCOMO model with the detailed COCOMO model. Ans. COCOMO contains of a hierarchy of three increasingly detailed and accurate forms. Basic COCOMO i
What is Coupling? Coupling is the measure of interconnection among modules in a program structure. It depends on the interface complexity among modules.
Q. Compare the Productivity and difficulty? Productivity refers to metrics as well as measures of output from production processes per unit of input. Productivity P perhaps c
I have to do an assignment. Can you help me to do it
Explain in detail the design concepts. Abstraction Functional abstraction Data abstraction Control abstraction Information hiding Every module in
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
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