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What are the testing principles the software engineer must apply while performing the software testing?
i. All tests should be traceable according to customer requirements.
ii. Tests must be planned long before testing starts.
iii. The pareto principle may be applied to software testing-80% of all errors discover during testing will likely be traceable to 20% of all program schedules.
iv. Testing must start on "in the small" and progress toward testing "in the large".
v. Exhaustive testing is quit impossible.
vi. To be most efficient, an independent third party should conduct testing.
What is equivalence partitioning? Equivalence partitioning is a black box method that separates the input domain into classes of data. From this data test cases can be derived.
Write short notes on empirical estimation models. Estimation model for computer software uses empirically derived formulas to assume effort as a function of line of codes (LOC)
Waterfall Model It is the oldest, simplest and most widely used process model. In waterfall model, every phase of the life cycle is finished before start of a new phase. It's
Verification or validation performed which implements the system's code.
What is boundary data- Test data Extreme/boundary data - This is data at the limits of validity/acceptability (for instance, if a date is being input, two values at the
Testing to satisfy the criterion that every statement in a program be implemented at least once during program testing.
Q. Show the Reasons of current software crisis? larger problem sizes, increasing skill shortage, and lack of adequate training in software engineering,
Q. What is Boundary Value Analysis? Boundary Value Analysis: It is extensively recognized that input values at the extreme ends of input domain cause more errors in system. M
What is Review? Ans) A method or meeting during which a work product or set of work products, is shown to project personnel, managers, users, customers, or other interested part
State the System Engineering Hierarchy? The world view is composed of a set of domains (Di), which can each be a system, or system of systems. WV = {D1,D2,D3,...........,Dn}
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