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Explain a multiprogramming operating system?
A multiprogramming operating system: It is system which allows more than one active user program or part of user program to be stored in main memory concurrently. Multi programmed operating systems are fairly complicated. All the jobs which enter the system are maintained in the job pool. This pool includes all processes residing upon mass storage awaiting allocation of main memory. If some jobs are set to be brought in memory, and there is not sufficient room for them, so the system should choose between them. A multiprogramming system is a time-sharing system.
If various load generators need to access the similar physical files, rather than having to remember to copy the files every time they change, each load generator can reference a c
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Define Time Sharing. Time Sharing: Sharing of a computing resource among various users by means of multiprogramming and multi-tasking is termed as timesharing. By permittin
Explain the disadvantages Off-the-shelf - can be over-complex since it tries to cover as many characteristics as possible (for example most users of Word only utilise about
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Drawbacks to having call centres overseas - Culture and language problems - Animosity to overseas call centres (resulting in loss of customers) - need for extensive r
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