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Answer Posted / vkin
Paging is solution to external fragmentation problem which
is to permit the logical address space of a process to be
noncontiguous, thus allowing a process to be allocating
physical memory wherever the latter is available.
| Is This Answer Correct ? | 24 Yes | 3 No |
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Explain the different types of fragmentation?
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Measurements of a certain system have shown that the
average process runs for a time T before blocking
on I/O. A process switch requires a time S, which is
effectively wasted (overhead). The CPU’s efficiency is
the fraction of its time its spends executing user
programs, i.e., executing user processes. For round robin
scheduling with quantum Q, give a formula for the CPU
efficiency for each of the following:
(a) Q = ∞
(b) Q > S + T
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