![]() User’s request can be made in small time respond.Better interaction in between users and computers.End users make feel that they monopolize the computer system.Multiple online users can use same computer at same time.Each user grabs dedicated time for all operations.TOPS-20 (DEC) Features of Time Sharing Operating System.Examples of Time Sharing Operating Systemįor an example, In transaction processing system, all types of processors have ability to execute every user program in small burst or quantum of computation, like as when n users are exist, then every user is capable to grab a time quantum. Memory Protection system helps to protect single job’s instructions as well as interfering all data with other jobs.Time sharing OS requires a alarm clock system that helps to send an interrupt signal for CPU after each time interval. ![]() Requirements of Time Sharing Operating System Multiple users also can be for waiting position at once. Waiting State: Here, user’s program is getting to wait for few I/O operations. Ready State: User’s program is ready position for executing but it is waiting to its turn for getting its CPU, but here multiple users can be ready position at once. This process flows in this same fashion and so on.Īctive State: User’s program is getting to control of CPU where only single program is present in this state. ![]() In this cycle, user 2, user 3, user 4, and user 5 are getting to wait state and user 1 is under ready status. When, user’s time slice is done, then it passes own control to further user for ready state like as user 6. According to this diagram: User 5 is active state where as user 1, user 2, user 3, and user 4 are getting to wait it means under “waiting state”, but user 6 is ready position for execution. ![]()
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