An operating system is
software that manages
computer hardware and
software resources and
provides common services
for computer programs.
it's purpose?
The operating system is an
essential component of the
system software in a computer
system. Application programs
usually require an operating
system to function
3 most common operating systems
Android is a "mobile"
operating system
maintained by the Open
Handset Alliance, a group
of companies and
organizations that
contribute to the system's
development under the
management of Google
Inc.
IOS is Apple's mobile operating system. It
runs on the company's iPod, iPhone and
iPad devices. Like Mac OS X, it can only be
used on Apple's mobile devices.
Windows is an operating system owned and
operated by Microsoft. It differs from open
source systems in that only Microsoft has
the ability to make changes to the code.
5 function of an operating system
5 functions of OS: -performs
basic tasks such as
controlling and allocating
memory -prioritizing system
requests -controlling input
and output devices
-facilitating computer
networking -managing files.