By Mohamed Loey & Miguel Sáenz
Operating System 
The interface between the computer hardware and the world.
OS Functions
OS structure
OS Classification 
when two or more 
users can work 
with programs and 
share peripheral 
devices (printer, 
scanner, fax) 
multiple 
applications 
operated at the 
same time 
more than one 
CPUs that can 
be used at the 
same time 
smaller parts of 
programs are 
loaded when they 
are needed by OS
Which Operating System 
If you ask your mum, she'll tell you to 
use Win XP because she knows it very 
well, if you ask your geek friend he'll 
recommend you Linux because it's so 
stable, if you ask the cool designer at 
work, he'll tell you Mac OS 'cause you 
can build so many amazing things with it.
Desktop Operating 
System
Windows Advantages
Windows Disadvantages
Mac Advantages
Mac Disadvantages
Linux Advantages
Linux Disadvantages
Operating System Users 
1188 
5555 
77,,11 
99,,66 55,,11 
Windows 7 
Windows 8 
Windows XP & older 
Mac OS 
Linux 
Data from W3Schools September 2014
Server Operating System 
Server operating systems are designed to provide platforms for multi-users, 
for critical, network applications. Their main purpose is to 
provide security, stability and collaboration. Most of them come with a 
pack of dedicated software tools such as Web servers, e-mail agents 
and terminal services. The common applications for server OSes are 
 
File and printer sharing 
Application services (including databases) 
Web site services 
E-mail, groupware and messaging 
Terminal services 
Caching
Server Needs
Mobile Operating System 
Operating System that controls a mobile device.
Android OS
Mobile Operating System 
8844,,77 
1111,,77 
00,,77 55 22,,55 
Android 
iOS 
Windows Phone 
Blackberry RIM 
Others 
Data from IDC June 2014
Thanks

Operating Systems

  • 1.
    By Mohamed Loey& Miguel Sáenz
  • 2.
    Operating System Theinterface between the computer hardware and the world.
  • 3.
  • 4.
  • 5.
    OS Classification whentwo or more users can work with programs and share peripheral devices (printer, scanner, fax) multiple applications operated at the same time more than one CPUs that can be used at the same time smaller parts of programs are loaded when they are needed by OS
  • 6.
    Which Operating System If you ask your mum, she'll tell you to use Win XP because she knows it very well, if you ask your geek friend he'll recommend you Linux because it's so stable, if you ask the cool designer at work, he'll tell you Mac OS 'cause you can build so many amazing things with it.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
    Operating System Users 1188 5555 77,,11 99,,66 55,,11 Windows 7 Windows 8 Windows XP & older Mac OS Linux Data from W3Schools September 2014
  • 15.
    Server Operating System Server operating systems are designed to provide platforms for multi-users, for critical, network applications. Their main purpose is to provide security, stability and collaboration. Most of them come with a pack of dedicated software tools such as Web servers, e-mail agents and terminal services. The common applications for server OSes are  File and printer sharing Application services (including databases) Web site services E-mail, groupware and messaging Terminal services Caching
  • 16.
  • 17.
    Mobile Operating System Operating System that controls a mobile device.
  • 18.
  • 19.
    Mobile Operating System 8844,,77 1111,,77 00,,77 55 22,,55 Android iOS Windows Phone Blackberry RIM Others Data from IDC June 2014
  • 20.