Study on Reliability and Maintainability of Computer Software

摘要

As same as other products, computer software also has quality problem. This article, based on software's features, which are function ability, reliability, usability, efficiency, maintainability and portability, has illustrated the relation between software defect, error and invalid and discussed the reliability and maintainability of software to ensure the designed function within life cycle. This article mainly discusses the relations among the defects, troubles and invalidities and the reliability as well as the maintainability of computer software, and the six features of describing and appraising computer software are put on according to the characteristics of our country's computer software.