Computer executing multiple operating system

The device with multiple operation system and for storing according to each of operating system for performing duty priority switching operation system of computer system. According to assigning executing each operating system of the wire or threaded connection with multiple wire or a plurality of comprises a to the wire or a thread of the computer information system for performing priority module. The computer system comprises for each operating system priority transmission conversion of the whole computer system of the bus priority (normalized priority) component, and an operating system module according to the uniformization priority comprises a comparison to the selected to said of.