Acest lucru nu este calculator și tehnologie acest lucru arata ca acesta poate fi un poem pare rău, dar acest lucru trebuie postat in categoria engleză!! Mulțumesc
It is A, the theme is the subject.
The purpose of the operating systems is to provide an interface between the user and hardware. It's mange all resources, for example; memory, processors, and disk space. It's also mange how to file and store data in a computer system.