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Swapping: Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to execution and overhead to the system. Swapping systems does not access the memory more flexibly as compared to the paging process.
How exactly is a page table used to look up an address? The CPU has a page table base register (PTBR)which points to the base (entry 0) of the level-0 page table. Each process h
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
Introduction of linux
Q. You have devised a fresh page-replacement algorithm that you think may be optimal. In a few contorted test cases Belady's anomaly occurs. Is the fresh algorithm optimal? Descr
Device Drivers Communicates straight with peripheral devices (disks, tapes, etc.). Responsible for begin physical I/O operations on the device. Pro
Write a brief note on demand paging. A demand paging is alike to a paging system with swapping. The Processes reside on the secondary memory while we want to implement a proces
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
What are conditions under which a deadlock situation may arise? A deadlock situation can arise if the following four conditions hold simultaneously in a system: a. Mutual ex
Q. State three merits of placing functionality in a device controller rather than in the kernel and State three disadvantages. Answer: Three advantages: Bugs are less probabl
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