What are the four subsystem managers in an OS?

Answer 1

Darwin, the graphics subsystem, the application environments, and the Aqua user interface

Answer 2

The 4 parts of an operating system are:

1. Kernel- The kernel is the central module of an operating system (OS). It is the part of the operating system that loads first, and it remains in main memory. Kernel is small in size and provides all the essential services required by other parts of the operating system and applications.
2. Device Driver- A device driver is a program that controls a particular type of device that is attached to your computer.
3. User Interface- The way you interact with the computer using visuals.
4. System Utilities- This part of the operating system provides all the basic facilities that run in the background without user interaction.

Answer 3

1.process management

2.memory management

3.input/output management

4.file management

5.data security and integrity

Answer 4

Processor manager

Memory Manager

Device manager

File manager

and the fifth is Network manager.