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Additional Reference bits algorithm
Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register contains 00000000 then the page hasn't been used for the last 8 time periods. A page with a history 11000000 is more recently used than 01000000. The no of bits are able to be varied accordingly to the needs of the OS.
Q. Show that a few schedules are possible under the two-phase locking protocol however not possible under the timestamp protocol and vice versa. Answer: A schedule that is auth
FIFO page replacement algorithm with example
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Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
Process Synchronization in windows 2000
Safety algorithm : This is to make sure if the system is in safe state or not. It may need an order of m x n2 operation to determine if the state of the system is safe or not.
why we say OS is a resource allocator and control program
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
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