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Question

How can we be certain about the proper functioning of software?

a.

By testing it exhaustively

b.

By testing it once

c.

By testing it for a limited number of outcomes

d.

By not testing it

Answer: (a).By testing it exhaustively Explanation:Only when the software is tested exhaustively are we certain about its proper functioning. In practice, this seldom happens due to the large number of possible outcomes for even a simple program.

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Q. How can we be certain about the proper functioning of software?