Computer systems and people professionals that preserve, troubleshoot, program, administer, community, and construct them are central to most every industry. 2019 8th Worldwide Conference on Pc Know-how and Science will likely be held in University of Hong Kong, December 7-9, 2019, which is organized by Journal of Computers. It goals to offer a discussion board for researchers, practitioners, and professinals from the industry, academia and government who are working in the area of pc technology and science to discourse on research and improvement, professional practice in associated fields.