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Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores.
Semaphore definition
Usage for mutual exclusion and process synchronization
Implementation to avoid spinlock using block and wakeup
Binary semaphores
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
how response times are reduced by allowing time sharing on top of multiprogramming
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Introduction of linux
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categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
Explain the different sections of a process. Entry section Critical section Exit section Remainder section Consider a system inclusive of n processe
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Discuss the risks of having a single root user
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