The development of computer technology has now been integrated into our daily lives and played a good role in the integration of various production activities and other technologies. This article will briefly discuss computer-related applications and developments, and combine information security with mobile network environments. The development of computer technology has greatly enriched people's acceptance of daily information, but at the same time it has caused some problems in information security, such as various types of social problems caused by information security are still emerging in an endless stream. Including the future development direction of computers under the network environment, this article will normatively explain the programming aspects of the C language Knowledge, combined with past and present development trends.
