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Compare between the one and two-dimensional memory organizations in terms of the memory structure, advantages, and disadvantages. Which approach would better support the needs of modern operating environment? Why? Please
Consider the following segment table in a two dimensional memory organization:
1- Draw the map of the address space above (i.e. memory map) where X axis represents the segment number and Y axis is the addresses within a segment.
2- Evaluate the physical address for each of the following logical addresses; locate each address on the memory map.
a- (0, 867) b- (1, 3950) c- (2, 2340) d- (3, 7120) e- (4, 1625)
Define dynamic linking. Dynamic linking is same to dynamic loading, rather that loading being postponed unless execution time, linking is postponed. This feature is usually use
what are disadvantages of using single directory
How File record length should be chosen File record length should be selected to match the data characteristics
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
Q. Is disk scheduling except FCFS scheduling useful in a single-user environment? describe your answer. Answer: In a single-user environment the I/O queue typically is empty.
What is the use of boot block? For a computer to begin running when powered up or rebooted it requires having an initial program to run. This bootstrap program tends to be easy
Page Fault Handling conditions like, where the copy on write bit of a page is set and that page is send by more than one process, the Kernel assign new page and copies the conten
The question of fairness, regarding page eviction, is a hard one. How do we decide what is fair? Many operating systems use global LRU, where pages from all processes are managed t
Question: (a) Red Hat Linux is distributed under the Open Source agreement. Explain what you understand by Open Source distribution system. (b) Write a short note on the L
What is input output operation ?
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