How Does Operating System Works?

1. Managing the hardware and software resources.

Operating system play an important role as a parent to organize various programs and input methods compete for the attention of the central processing unit (CPU) and demand memory, storage and input/output (I/O) bandwidth for their own purposes. Operating system also make sure that every applications gets the necessary resources while playing nicely with all the other applications, as well as husbanding the limited capacity of the system to the greatest good of all the users and applications.

2. Providing a consistent application interface

It is very important if more than one computer uses the same operating system or the hardware is up for a change. A consistent application program interface (API) help the developers to create an application on one computer and have a high level of confidence that it will run on another computer of the same type, even if the amount of memory or the quantity of storage is different on the two machines.