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The different paging techniques are
1. Multilevel paging or hierarchical paging method: In definite cases the page table may consist up to 1 million entries. This would be as well large to accommodate in the main memory. One simple solution with this problem is to divide the page table into smaller pieces.
2. Hashed page table method: A general method for handling address spaces larger than 32 bits is to use a hashed page table with the hash value being the virtual page number. Every entry in the hash table contains a linked list of elements that hash to the same location.
3. Inverted page table method: An inverted page table has one entry for every real page of memory. Every entry consists of the virtual address of the page stored in threat real memory location, along with information about the process that owns that page.
4. Shared pages method: Shared page tables are typically implemented as multiple virtual addresses that are mapped to one physical address.
5. Demand paging method: This is alike to a paging system with swapping. Processes inhabit on the secondary memory. When we would like to execute a process, we swap it in to the memory.
What is scheduler? A process migrates among the various scheduling queues throughout its life time. The OS must choose processes from these queues in some fashion. This selecti
Define multithreading The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a fl
Define race condition. When various process access and manipulate similar data concurrently, then the outcome of the execution depends on certain order in which the access take
What are the different files attributes? File name:-it's the name of the file. It's the name with which the user identifies. Identifiers:-it's created when a file is created
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You have a system with two primary workloads. One performs sequential access to a set of large files, the other performs small, independent, random reads to a separate set of large
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