Multiple choice technology testing

What is an equivalence partition (also known as an equivalence class)?

  1. A set of test cases for testing classes of objects

  2. An input or output range of values such that only one value in the range becomes a test case

  3. An input or output range of values such that each value in the range becomes a test case

  4. An input or output range of values such that every tenth value in the range becomes a test case.
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B Correct answer
Explanation

An equivalence partition groups input values that are expected to produce similar results, so testing one value from the group is sufficient to represent the entire partition. This is the core principle of equivalence partitioning - one value represents the whole range.

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