Operating system
- 1. Need for Operating System & Types of Operating System For more clarity http://raj-os.blogspot.in/ http://improvec.blogspot.in/ 1
- 2. Objective On completion of this period, you would be able to know What is operating system Need for operating system http://improvec.blogspot.in/ 2
- 3. Prerequisite What is the abbreviation of OS and DOS OS stands for Operating System DOS stands for Disk Operating System http://improvec.blogspot.in/ 3
- 4. What is operating system? Operating system is a system program used to coordinate and control various devices and programs in order to work with computer machine Examples Windows 95 Windows NT UNIX DOS http://improvec.blogspot.in/ 4
- 5. Operating system The operating system is a collection of programs used to operate a computer system It takes the responsibility of computer’s overall operation and supervision http://improvec.blogspot.in/ 5
- 6. Operating System (contd) It coordinates among various devices and programs, and provides an interface between a programmer and the computer system OS is popularly used for the abbreviation of the operating system http://improvec.blogspot.in/ 6
- 7. Operating system (contd) Now, from the fastest supercomputer and largest mainframe, right down to the smallest embedded microprocessor, every computer uses an operating system Over the years, a variety of operating systems have evolved and many remain in use http://improvec.blogspot.in/ 7
- 8. Operating system (contd) DOS became the most widely used microcomputer operating system Today, DOS has been replaced on many computers by more powerful operating systems such as Windows, UNIX, Windows NT and OS/2 http://improvec.blogspot.in/ 8
- 9. Operating System (contd) More powerful operating systems make it possible to run tasks on less expensive microcomputers http://improvec.blogspot.in/ 9
- 10. Types of Operating System According to number of users Single User Operating Systems Multi User Operating Systems http://improvec.blogspot.in/ 10
- 11. Single user & Multi user Operating Systems Only one user can work at a time on a computer system with a single user operating system More than one user can work at a time on a computer system with a multi user operating system http://improvec.blogspot.in/ 11
- 12. Some popular Operating Systems used are Single user operating Multi user operating system system OS/2 UNIX MS DOS VENIX WINDOWS 95 XENIX WINDOWS 98 LINEX WINDOWS ME UNIXWARE7 WINDOWS XP WINDOWS NT WINDOWS 2000 professional SUN SOLARIES MACINTOSH OS NOVEL NETWARE http://improvec.blogspot.in/ 12
- 13. Operating System performs the following Functions Managing and controlling the execution of a program Transfer data between primary memory and auxiliary storage devices Start up the computer and perform diagnostic tests of circuits and memory http://improvec.blogspot.in/ 13
- 14. Operating System performs the following Functions (contd) Accept commands entered at the keyboard that allow you to control the computer system Managing peripheral devices Transfer data and command to the printer Managing files on external media http://improvec.blogspot.in/ 14