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Define the difference between preemptive and nonpreemptive scheduling. State why strict nonpreemptive scheduling is unlikely to be used in a computer center.
Preemptive scheduling permits a process to be interrupted in the midst of its implementation, taking the CPU away and allocating it to another process. Nonpreemptive scheduling makes sure that a process relinquishes control of the CPU only when it finishes with its current CPU burst.
what is the function of operation management?
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
Explain about file allocation methods? The main problem in direct-access nature is how to assign space to these files so that disk space if utilized effectively and files can b
How do we overcome the disadvantages of the two-level directory? Give links from one user directory to another, creating path names; system files become available by letting th
GUI - Short for Graphical User Interface a GUI Operating System contains icons and graphics and is commonly navigated by using a computer mouse. Below are some instances of GUI Op
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
protection in operating system
is the operating system windows sometimes interupts
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
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