The cognition of computer science and technology is very inportant for studying computer science, and predicting the developing directions of computer science in future. In this paper, the development mainlines, characteristics and internal inherent law are reviewed and summarized, and the cognitive process for computer science and technology is explained from the perspective of scientific philosophy. A series of new concepts and idea, for example, the essential problem, typical method and typical instance, mathematicalization for mode of thinking, core-courses for graduates, and intensive model for studying computer science are proposed and discussed. The research progress of methodology for computer science and technology is outlined, and its influence on the research and education of computer and technology is discussed.%计算机科学与技术的认知对学科的科学研究与人才培养具有重要的意义.对计算机科学与技术学科发展的主线、特点和内在规律进行了回顾与总结，从科学哲学的角度阐述了学科的一系列认知问题，并概要介绍了学科方法论研究的主要进展，讨论了学科方法论研究进展对学科未来发展和人才培养可能产生的影响.
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