Answer:
Operating System
Explanation:
____________operating systrem____________________ is software that manages the computer's hardware and provides a convenient and safe environment for running programs. It acts as an interface between programs and the hardware (CPU, RAM, hard disk drive, printer, CD-ROM, etc).
Operating system is defined as a system software that manages computer hardware and software resources and provides common services for computer programs. Operating system controls computer's hardware, run the computer's programs and organizes files.