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Paging supervisor:
This part of the operating system built and manages the page tables. If the due to dynamic address translation hardware a page fault occurs exception then the paging supervisor searches the page space on secondary storage for the page containing the needed virtual address, reads it into real physical memory and updates the page tables to reflect the new location of the virtual address and lastly tells the dynamic address translation mechanism to begin the search again. typically all of the real physical memory is already in use and the paging supervisor have to first save an area of real physical memory to disk and update the page table to say that the connected virtual addresses are no longer in real physical memory but saved on disk. Paging supervisors usually save and overwrite areas of real physical memory which have been least recently used, because these are probably the areas which are used least frequently. So each time the dynamic address translation hardware matches a virtual address with a real physical memory address, it has to put a time-stamp in the page table entry for that virtual address.
Analysis describes about the logical and statistical analysis needed for an efficient output. This involves writing of code and performing calculations, but most part of these lang
What are the central interfaces of the R/3 system? There are three central interfaces:- Presentation Interface. Database Interface. Operating system Interface.
6.How can we improve the performance of pipeline processing
When the user is inputting commands into your shell, it should properly handle delete and backspace. When one of these characters is detected, you will need to remove one character
(a) Write short notes on displacement only addressing mode. (b) Explain the formats of a 80-bit floating point number. (c) Given the following assembly program. Instructi
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Granularity Granularity refers to the quantity of computation done in concurrent relative to the size of whole program. In concurrent computing, granularity is a qualitative me
Storing a word in Memory: That is similar process with fetching a word from memory. The required address is loaded into the MAR After that data to be written are lo
Explain briefly Dead code Elimination of the commonly used code optimization techniques Dead code Elimination: Code which is unreachable or which does not influence the pr
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