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Why software change occurs?
Software change occurs because of the following reasons.
New requirements appear when the software is used.
The business atmosphere changes. Errors need to be repaired. New tools must be accommodated. The performance may have to be increased.
Communicational cohesion : Communicational cohesion is when parts of a module are grouped because they operate on the similar data (e.g. a module which operates on the similar reco
system development life cycle security
QUESTION - Characteristics of DSs (a) List and describe any 4 characteristics of distributed systems. (b) State the criterion for a system to be considered as not a distrib
A document reporting on any event that happens during testing that needs further investigation.
Iterative Enhancement Model Iterative Enhancement Model: This model has the similar phases as the waterfall model, but with fewer restrictions. Normally the phases happen in th
Construct an E-R diagram for a department store database. This database contains information about customers, items they order, departments in the store, employees, and suppliers o
What are Quality reviews? This is the principal method of validating the quality of a process or of a product. A group examines part or all of a process or system and its do
Aggregation between objects Aggregation among objects shows a relationship. It is a whole/part relationship. Aggregation might be implying containment.
Define the concept of SRS An SRS clearly defines following: • External Interfaces of the system: They identify information which is to flow 'from and to' to the system.
Give explanation about the software testing strategies. A strategic approach to software testing. Verification and Validation. Verification means a set of work o
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