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What is reference string
We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory references is known as a reference string.
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Q. Does Windows XP offer any user-mode processes that enable it to run programs developed for other operating systems? Describe two of these subsystems. Answer: Environmental
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
Determine an imperative statement Imperative statement points out an action to be carried out during execution of assembled program
Program of Calculator and Controller with the fork, exec, and wait system calls The objective of this assignment is to get you to be comfortable with the fork(), exec(), and wai
explain simple segmentation
Q. Error detection in operating system? Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must b
what is instant messaging used for
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