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Linked list allocation using index
The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate table in the main memory. Therefore traversal is made easier since we need not go to the hard disk each time a block needs to be accessed.
Consider a file with these blocks 4K, 2K, 10K, 1K
The table for the file pointers can be symbolized as follows:
How is memory management done using bit maps? A bit map is here in this we signify the bit value as 0 or 1. 1-hole 0-process In this we are able to represent the proce
Smith, who is a civil engineer, purchased a 30-hectare block of land in Australia in 1986 and used two hectares of it as a main residence. The part that was not main residence cost
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
Take the binary number and divide it into groups of 4 bits starting from the right hand side , if no group of 4 exists fill out leading 0's, then convert each group of 4 to a hex n
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
Determine an imperative statement Imperative statement points out an action to be carried out during execution of assembled program
What are the drawbacks of spiral model? I. It is based on customer communication. If the communication is not proper then the software product that gets developed will not be t
Q. Why do several systems store the operating system in firm ware and others on disk? Answer: For certain devices such like handheld PDAs and cellular telephones a disk with
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
Ask using a laballed diagram explaining the architecture of windows operating ststem
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