Question

what is the roles of operating system and example​

Answer 1

Answer:

The operating system acts as an interface between the hardware and the programs requesting I/O. It is the most fundamental of all system software programs. Responsibilities of the OS include: ... Managing between the hardware's resources which include the processors, memory, data storage and I/O devices.

Answer 2

The operating system has three main function

1. Manage the computer resource such as the CPU ,memory, disk drive, printer.
2. Establish a user interface and
3. Execute and provide services for application software.

For example

1. Windows 7, Linux