What is the difference between block-oriented devices and stream-oriented devices? Give a few examples of each.
Answer to relevant QuestionsBriefly define the disk scheduling policies illustrated in Figure. The following equation was suggested both for cache memory and disk cache memory: TS = TC + M * TD Generalize this equation to a memory hierarchy with N levels instead of just 2. What is the difference between a file and a database? Ignoring overhead for directories and file descriptors, consider a file system in which files are stored in blocks of 16K bytes. For each of the following file sizes, calculate the percentage of wasted file space due to ...Explain the relative advantages and disadvantages of an embedded OS based on an existing commercial OS compared to a purpose-built embedded OS.
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