Before revision: Reliability describes the ability of a system or component to function under stated conditions for a specified period .Institute of Electrical and Electronics Engineers (1990) IEEE Standard Computer Dictionary: A Compilation of IEEE Standard Computer Glossaries.
After revision: Reliability is defined as the probability that a product, system, or service will perform its intended function adequately for a specified period .Institute of Electrical and Electronics Engineers (1990) IEEE Standard Computer Dictionary: A Compilation of IEEE Standard Computer Glossaries.