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2025W Operating Systems (CS-3520-01)
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Consider a system that has a 16KB address space and 64 byte pages and both page table entries and page directory entries are 4 bytes each. How many page directory entries are there?
Using the same two-level page table as the previous question, What is the translation of the virtual address 0x3bb3?
Consider a system that has a 16KB address space and 64 byte pages and both page table entries and page directory entries are 4 bytes each. How many pages are needed to store the page table?
Consider the following workload :
- Job A arrives at time 0s and runs for 6s
- Job B arrives at time 1s and runs for 6s
- Job C arrives at time 2s and runs for 3s
What is the average turnaround time (rounded to two decimal places) using the SJF scheduling policy?
What is a significant disadvantage of using large pages?
What is a primary advantage of using large pages (e.g., 2MB) compared to standard pages (e.g., 4KB)?