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Define the DosSleep(ms) Function used in the os/2
DosSleep() suspends the currently executing thread for some time interval specified in the ms parameter. If a value of 0 is passed, DosSleep will perform an explicit thread switch and will be immediately rescheduled. If the thread issuing the DosSleep() is the highest priority thread in the system, it will not relinquish control to a lower priority thread. DosSleep() counts time, not real time as other operating systems do. As such, it should not be used as a real-time timing mechanism.
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
For the first assignment you are required to construct a logic circuit onto a copper clad circuit board (vero board). This construction will require the use of planning the positio
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
(Add synchronization to your solutions to HW 3 to eliminate all of the race conditions. You should not remove any of the sleep() commands that you used to produce the race conditi
how do you calculate page faults
Describe when you run an unlink() operation to remove a file on the ext3 file system. Be specific about what disk blocks have to be written where in what order. State your assumpti
Define semaphore A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in
Explain about deadlock detection? In deadlock situation, the system must provide An algorithm that verifies the state of the system to verify whether a deadlock has occu
Define Latency plus seek time The total time to arrange a disk drive mechanism for a block of data to be read from is its Latency plus seeks time
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