OPS computer is a standardized digital signage interface specification jointly formulated by Intel and display manufacturers, which is used in electronic whiteboards, digital signage, advertising media, and touch all-in-one machine industries. OPS microcomputer is an open-type pluggable computer module, which is actually a microcomputer, but can be plugged and unplugged, making the overall layout beautiful. At the same time, the characteristics of OPS microcomputer are digital signals that are easier to install, use and maintain, making digital signage equipment more intelligent and integrated. The internal composition of OPS is a mini PC with X86 architecture, using Intel Core processor, equipped with memory, hard disk, various input and output interfaces and Windows operation interface.