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With better computing facilities now available, there is an increasing need to ensure that elegant theoretical results on hardware reliability are computationally available. This is a discussion of those aspects which have relevance to computing systems and those where numerical computation was a problem. It is also well-known that nearly 70 per cent of the cost goes into software development and hence software reliability assumes special importance. This manual not only gives a review of the literature on software reliability but also provides direction in developing models which are flexible and can be used in a variety of testing environments. Besides, several alternative formulations of the release time problem are discussed along with variants such as allocation of testing effort resources to different modules of the software, or the testing effort control problem. Software reliability has now emerged as an independent discipline and requires a strong partnership between computer scientists, statisticians and operational researchers. This aspect is broadly highlighted in the book.
