Computer Operating Systems

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Computer Operating Systems

  1. 1. Computer Operating Systems Computer Hardware Servicing NC II Guevarra Institute of Technology Gingoog City, Philippines
  2. 2. A. Definition <ul><li>“An operating system, or OS, is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer would be useless” ( ‘Operating System 2009’) </li></ul>
  3. 3. <ul><li>A layer of software that manages processors, memory, disks, printers, keyboard , display, network interfaces , input/output devices and provide user programs with a simpler interface to the hadware. ( Tanendaum ) </li></ul>
  4. 4. http://www.comptechdoc.org/basic/basictut/osint.gif
  5. 5. B. Types ( ‘Operating System 2009’) <ul><li>GUI - Short for Graphical User Interface, a GUI Operating System contains graphics and icons and is commonly navigated by using a computer mouse. </li></ul>
  6. 6. Examples of GUI OS <ul><li>System 7.x </li></ul>http://www.computerhope.com/macos.htm
  7. 7. <ul><li>2. Multi-user - A multi-user operating system allows for multiple users to use the same computer at the same time and/or different times. </li></ul>
  8. 8. Examples of Multi User <ul><li>Linux </li></ul>http://www.pcstats.com/articleimages/200503/linux2_susemain.jpg
  9. 9. <ul><li>2. Unix </li></ul>http://mitglied.lycos.de/deloreswims32/images/1-1024x768.jpg
  10. 10. <ul><li>3. Windows 2000 </li></ul>http://www.intelliadmin.com/images/Windows%202000%20Screen%20Shot.jpg
  11. 11. <ul><li>3. Multiprocessing – An operating system capable of supporting and utilizing more than one computer processor. Below are some examples of multiprocessing operating systems. </li></ul><ul><li>LinuxUnix Windows 2000 </li></ul>
  12. 12. <ul><li>4. Multitasking - An operating system that is capable of allowing multiple software processes to run at the same time. Below are some examples of multitasking operating systems. </li></ul><ul><li>Unix Windows 2000 </li></ul>
  13. 13. <ul><li>5.Multithreading - Operating systems that allow different parts of a software program to run concurrently. Operating systems that would fall into this category are: </li></ul><ul><li>LinuxUnix Windows 2000 </li></ul>
  14. 14. C. Operating System Listing <ul><li>Here is a listing of many of the different types of operating systems available today, the dates they were released, the platforms they have been developed for and who developed them. </li></ul>
  15. 15. D. Troubleshooting <ul><li>Common questions and answers to operating systems in general can be found on the below operating system question and answers . All other questions relating to an operating system in particular can be found through the operating system page. </li></ul>
  16. 16. <ul><li>Linux / Variants MacOS MS-DOS IBM OS/2 Warp Unix / Variants Windows CE Windows 3.x Windows 95 Windows 98Windows 98 SE Windows ME Windows NT Windows 2000 Windows XP Windows Vista </li></ul>
  17. 17. References <ul><li>'Operating Systems' 2009, Computer Hope , viewed 18 June 2009 http://www.computerhope.com/os.htm </li></ul><ul><li>Tanenbaum, A., Modern Operating Systems , Prentice Hall. </li></ul>

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