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SSTF (Shortest Seek Time First) After a demand go to the closest request in the work queue regardless of direction Decrease total seek time compared to FCFS Disadv
What is a file path name? A list of the subdirectories, directories, and files we must traverse to reach a file from the root directory.
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
about error detection in operating system and how does it take place?
What is linked allocation, as detailed in text? Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
Determine a processing that is not a part of Synthesis phase Perform LC processing is not a part of Synthesis phase
Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to
why we say " OS is a resource allocator" and “OS is a control program"?
How a virtual memory can be implemented? What are the benefits of using virtual memory?
What is a two state process model? At any time a process is being implementing by a processor or not. Therefore a process may be in Running or not running state. When an Ope
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