Difference between time sharing and multitasking systems?

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Time Sharing: in this operating system, OS assigns some time slots to each job. Here,  each job is executed according to the alloted time slots.

               Job1: 0 to 5

               Job2: 5 to 10

               Job3: 10 to 15

Multi-Tasking: in this operating system, jobs are executed in parallel by the operating system. But, we can achieve this multi-tasking through multi-ple processors (or) CPUs only.

                CPU1: Job1

                CPU2: Job2

                CPU3: Job3

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shylaja

  • Jul 3rd, 2006
 

time sharing is a means of achieving multitasking.

Manish Kumar

  • Jul 10th, 2006
 

Multitasking can be achieved by Time sharing operating system. In time sharing O/S CPU time is divided into fixed small time slices and each task given this fixed duration of time. It uses the Round Robin scheudling algorithm.

kate

  • Aug 4th, 2006
 

1.Time-sharing refers to sharing a computing resource among many users by multitasking.Because early mainframes and minicomputers were extremely expensive, it was rarely possible to allow a single user exclusive access to the machine for interactive use. But because computers in interactive use often spend much of their time idly waiting for user input, it was suggested that multiple users could share a machine by using one user's idle time to service other users. Similarly, small slices of time spent waiting for disk, tape, or network input could be granted to other users.The concept was first described publicly in early 1957 by Bob Bemer as part of an article in Automatic Control Magazine. The first project to implement a time-sharing system was initiated by John McCarthy in late 1957, on a modified IBM 704, and later an additionally modified IBM 7090 computer. Although he left to work on Project MAC and other projects, one of the results of the project, known as the Compatible Time Sharing System or CTSS, was demonstrated in November, 1961. CTSS has a good claim to be the first time-sharing system and remained in use until 1973. The first commercially successful time-sharing system was the Dartmouth Time-Sharing System (DTSS) which was first implemented at Dartmouth College in 1964 and subsequently formed the basis of General Electric's computer bureau services. DTSS influenced the design of other early timesharing systems developed by Hewlett Packard, Control Data Corporation, UNIVAC and others (in addition to introducing the BASIC programming language).Other historical timesharing systems, some of them still in widespread use, include:· IBM CMS (part of VM/CMS) · IBM TSS/360 (never finished; see OS/360) · IBM Time Sharing Option (TSO) · KRONOS (and later NOS) on the CDC 6000 series · Michigan Terminal System · Multics · MUSIC/SP · WYLBUR · RSTS/E · UNIX

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Y. Ranjan

  • Aug 18th, 2006
 

There is no universally accepted difference between these two types of operating system. In some books, they are synonyms each other. And in some other books, they are considered as different types of operating systems. Time-sharing OS is a kind of multitasking OS with a short limited time slices given to each precesses whereas, in multitasking OS, there is no time slice assigned to each process. The OS switches among the processes resided in memory like when a process needs i/o operation, the OS is switched to some other process residing in the memory.

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Rajnish Kumar

  • Dec 8th, 2006
 

Time Sharing: programs are executed in an interlived manner that is 1st the programs are merged together to form a single stream of instruction then given to the processos for execution.

Multitasking: programs are kept seperate and cpu switches in betn the diffn processes and execute there instruction seperately. no interleaving concept is there.

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Deepak nehra

  • Sep 18th, 2011
 

Multitasking can be achieved by Time sharing operating system. In time sharing O/S CPU time is divided into fixed small time slices and each task given this fixed duration of time. It uses the Round Robin scheduling algorithm.
thanks!!!!!!!!!

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Shruti Garg

  • Jun 19th, 2012
 

Multitasking is Timesharing system + Management of timesharing system. Therefore Multitasking is broader concept.

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