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Write a short note on disk scheduling
One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the disc it issues a system call to the operating system. The request state severer pieces of information:
If the disk controller and drive are available the request can be serviced immediately. If the controller or drive is busy any new request for service will be placed on the queue of pending request for that drive. For a multiprogramming system with several processes the disk queue may often have several pending requests. Therefore when request is accomplish the operating system chooses which pending request to service next.
Ask question #Minimum 100 words accepted application of bounded and unbounded buffers
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Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
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What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results.
Prepare a report that motivates alternatives reactive strategies that can be used by wind Mud clothing factory
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