Thursday 13 September 2012

Types of OS

1) Single User Operating System = Single User Operating System allows only executions of one program at a time, Eg:- Disk Operating System (DOS).

2) Multi User Operating System = Multi User Operating System allows many users to use compute resources simultaneously, Eg :- Windows.

3) Batch Processing System = Accepts tasks or jobs & places them in a queue to avait execution. This process is called as Spooling and tasks are given priorities, Eg:- Printing 100 pages.

4) Multi Programing = One entral Processing Unit performs multiple tasks.

5) Multi Processing = One job or task performed by many Central Processing Unit.

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