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What is contiguous allocation?
Allocation of a group of consecutive sectors for a one file.
Q. Consider the following page-replacement algorithms. Rank the algorithms on a five-point scale from "bad" to "perfect" according to their page-fault rate. Detach those algorithm
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Discuss the high barriers to entry in the market for PL operating systems
diffenciet between least recently used and not recently used
People arrive at a barber shop at the rate of one every 4.5 minutes. If the shop is full (it can hold five people altogether), 30% of the potential customers leave and come back i
Synchronization serves two purposes: 1) to ensure safety for updates on shared data (e.g. to avoid races conditions), and 2) to coordinate and order actions taken by threads (e.g.
Long term scheduler calculates which processes are admitted to the machine for processing. It accepts the degree of multiprogramming. Once accepted, a job converts a process.
how it is work.
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
UNIX systems utilized to use disk-layout optimizations based on the rotation position of disk data however modern implementations including Linux simply optimize for sequential dat
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