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memoryreviewquestions.html
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CS 241 > Wikibook > Memory: Review Questions
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<h3>Memory: Review Questions</h3>
<p>> Question numbers subject to change</p>
<h2>Q1</h2>
<p>What are the following and what is their purpose?<br />
<em> Translation Lookaside Buffer<br />
</em> Physical Address<br />
<em> Memory Management Unit<br />
</em> The dirty bit</p>
<h2>Q2</h2>
<p>How do you determine how many bits are used in the page offset?</p>
<h2>Q3</h2>
<p>20 ms after a context switch the TLB contains all logical addresses used by your numerical code which performs main memory access 100% of the time. What is the overhead (slowdown) of a two-level page table compared to a single-level page table?</p>
<h2>Q4</h2>
<p>Explain why the TLB must be flushed when a context switch occurs (i.e. the CPU is assigned to work on a different process).</p> </div>
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