Pq-paged-mem-key - Referenced Meaning Case 1 0 0 Not modified AND not referenced Case 2 0 1 Not modified BUT was referenced Case 3 1 0 Was modified

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Virtual Memory Practice Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. When there is an excessive amount of page swapping between main memory and secondary storage, the operation becomes inefficient. This phenomenon is called ____. a. excessive demand paging c. thrashing b. hot swapping d. overswapping ____ 2. Assume that four page frames are available and are numbered 1-4. Pages A-D have been loaded into page frames 1-4 in order. Assume that page E is requested. Which page frame will it be loaded into when the FIFO algorithm is used? a. 1 c. 3 b. 2 d. 4 ____ 3. Assume that four page frames are available and are numbered 1-4. Pages A-D have been loaded into page frames 1-4 in order. The program has accessed the pages in the following order: B, D, A, C. Assume that page E is requested. Which page frame will it be loaded into when the LRU algorithm is used? a. 1 c. 3 b. 2 d. 4 ____ 4. Consider the following four cases. Which page would the LRU policy be lease likely to swap? Modified
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Unformatted text preview: Referenced Meaning Case 1 0 0 Not modified AND not referenced Case 2 0 1 Not modified BUT was referenced Case 3 1 0 Was modified BUT not referenced Case 4 1 1 Was modified AND was referenced a. Case 1 c. Case 3 b. Case 2 d. Case 4 ____ 5. Which of the following phrases means that during any phase of its execution the program references only a small fraction of its pages? a. dynamic paging c. locality of reference b. structured programming d. working set ____ 6. To access a location in memory when using segmented memory management, the address is composed of two entries: ____. a. the segment number and the line number b. the segment number and the displacement c. the line number and the displacement d. the segment number, the line number, and the displacement Virtual Memory Practice Quiz Answer Section MULTIPLE CHOICE 1. ANS: C PTS: 1 REF: 75 2. ANS: A PTS: 1 REF: 77 3. ANS: B PTS: 1 REF: 79 4. ANS: D PTS: 1 REF: 83 5. ANS: C PTS: 1 REF: 84 6. ANS: B PTS: 1 REF: 89...
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This note was uploaded on 02/27/2011 for the course COMPUTER 102 taught by Professor Ken during the Spring '11 term at Broome Community College.

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Pq-paged-mem-key - Referenced Meaning Case 1 0 0 Not modified AND not referenced Case 2 0 1 Not modified BUT was referenced Case 3 1 0 Was modified

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