Question

what is an operating system?give example​

Answer 1

Operating system is

An interface between user and hardware

A controller of allocation and retrieval of resources

It also

Manages all functionalities of the system by dynamic handling of available/allocated/free spaces of memory

Controls efficiently the transitions of different parts of process in its multiple states

Provides consistency while accessing resources by multiple processes at a time

Provides security through denial of data for forbidden authorities even when certain process is using data.

The main objectives of an Operating Systems are

Giving convenient interface to its users.

efficiency in processing complex data.

ex- windows , linux , apple macos etc

Answer 2

Some examples include versions of Microsoft Windows (like Windows 10, Windows 8, Windows 7, Windows Vista, and Windows XP), Apple's macOS (formerly OS X), Chrome OS, BlackBerry Tablet OS, and flavors of the open source operating system Linux.

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