ISRO Scientist/Engineer Question Paper Computer Science 2013
51. Question
Suppose we have variable logical records of lengths of 5 bytes, 10 bytes, and 25 bytes while the physical block size in disk is 15 bytes. What is the maximum and minimum fragmentation seen in bytes?
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52. Question
A CPU scheduling algorithm determines an order for the execution of its scheduled processes. Given n processes to be scheduled on one processor, how many possible different schedules are there?
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53. Question
Which of the following are likely causes of thrashing?
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54. Question
Consider a logical address space of 8 pages of 1024 words each, mapped onto a physical memory of 32 frames. How many bits are there in the physical address and logical address respectively?
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55. Question
In a 64 bit machine, with 2 GB RAM, and 8 KB page size, how many entries will be there in the page table if it is inverted?
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