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Define cohesion & coupling? Give suitable examples.
Coupling : Coupling refers to the strength of the relationship among modules in a system. Coupling shows how strongly different modules are interrelated with each other.
Cohesion: Cohesion refers to the strength of relationship between elements within a module. Cohesion shows how strongly the internal elements of a module are bound to each other.
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
What are the common approaches in debugging? Brute force method: The memory dumps and run-time tracks are checked and program with write statements is loaded to get clues to er
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Question: (a) Describe the purpose and importance of a Document Type Definition in XML. (b) Describe the difference between PCDATA and CDATA with respect to a DTD. (c)
A walk-through is an informal meeting for informational purposes or evaluation.
QUESTION (a) Compare the worker pool multi-threading architecture with the thread-per-request architecture. (b) What thread operations are the most significant in cost? (
What are the advantages of Software maintenance Software maintenance is a very broad activity which includes error correction, deletion of obsolete capabilities, enhancement of
Define the method of Direct changeover With this technique, old system is stopped and new system is used Straight away; - This method can be disastrous if new system fails
Describe software measure ?
Data Flow Diagrams (DFD) It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD i
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