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Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for sh
Essential Properties of Operating System 1. Batch: Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequen
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
what are the factors influencing the choice of a mode of transportation?
LRU evicts the page which was last accessed the farthest into the past of any page resident in physical memory, i.e. the least-recently used page. LRU approximates OPT when the rec
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
Locality of reference entails that the page reference being made by a process Locality of reference entails that the page reference being made by a process is similarly to be
how the system call is work?
What do you mean by first fit? First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous f
what is difference between file descriptor and file pointer?
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