Question: suppose that our operating system is a batch multiprogramming, where SVC-IO s are asynchronous, and we have two different SVC-IO, SVC-IO-Disk and SVC-IO-Printer. Assume that

suppose that our operating system is a batch multiprogramming, where SVC-IO s are asynchronous, and we have two different SVC-IO, SVC-IO-Disk and SVC-IO-Printer. Assume that you have the instructions SIO which starts an I/O operation and Set-CPU Mode( value) which sets the CPU mode flag to value=0 supervisor and 1 for user mode. a) Explain how the user program requests a read or write from the disk. b) Write the SVC-IO-Disk. c) Write the ISR corresponding to the Disk

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