test31 - CSC 3351 Operating Systems Final (224 points)...

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CSC 3351 Operating Systems Final (224 points) December 13 th , 1999 Please, put your names behind the test Be precise and justify your answers. 1. [40 points] (4 points per question) 1. For file space allocation, the __________ and _______ policies do not suffer external fragmentation. a) Contiguous, Indexed b) Contiguous, Linked c) Indexed, Linked d) Indexed, bit vector e) none of the above 2. For file space allocation, the __________ and _______ policies do not suffer internal fragmentation. a) Contiguous, Indexed b) Contiguous, Linked c) Indexed, Linked d) Indexed, bit vector e) none of the above 3. External fragmentation refers to ____________________ a. wasted space within the partition for a process. b. wasted space due to empty partitions being too small for current processes. c. a design that a page is never loaded into memory unless needed. d. the system state when the system spends an excessive amount of time on paging, compared to the execution of processes. e. None of the above. 4. _______ the page size _________ the page table size. a) increasing, increases b) increasing, decreases c) decreasing, increases d) decreasing, decreases e) none of the above 5. In a paged memory system with a memory size of 4096 bytes, the logical address _______ is located in the page whose number is _______ . a) 15200, 1 b) 15200, 2 c) 15200, 3 d) 15200, 4 e) unknown 6. For disk scheduling, the average seek time for the _________ strategy is postion dependent. a)
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test31 - CSC 3351 Operating Systems Final (224 points)...

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