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Second-Chance algorithm
When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, though, we give that page a second option and move on to select the next FIFO page.
Why is rotational latency usually not considered in disk scheduling? How would you modify SSTF, SCAN, and C-SCAN to include latency optimization? Most disks do not export their
My code it didn''t run properly ,i tried to pass 2 parameter example : ./a.out ls -ll ,but it execute only the ls instead of the ls -ll ! plz help amd thank you ! #include #inclu
. Nested Macro calls are expanded using the
Define a state which is not a fundamental process state Answer: Blocked state is not a fundamental process state
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
What is graceful degradation? In multiprocessor systems, failure of single processor will not halt the system, but only slow it down by sharing the work of failure system by ot
whta is an operating system ? what sorts services are provided by an operating system ?
how response times are reduced by allowing time sharing on top of multiprogramming
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