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Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding to it, then it is named an invalid page fault. The page fault handler in the operating system then requires ending the code that made the reference, or give an indication to that code that the reference was not valid. A null pointer is generally represented as a pointer to address 0 in the address space; various operating systems set up the memory management unit to show that the page that have that address is not in memory, and do not add that page in the virtual address space, so that attempts to write or read the memory referenced by a null pointer have an invalid page fault.
What are interrupts? Interrupts are in some ways the mainly "famous" system resources, ever since almost everyone who's used a computer has heard of them even if they don't k
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.
Process Synchronization in windows 2000
Compare 2 different operating systems.
What is the use of inter process communication. Inter process communication gives a mechanism to allow the co-operating process to communicate with each other and synchronies t
explain function of computer operating system?
How File record length should be chosen File record length should be selected to match the data characteristics
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
Explain how protection is provided for the hardware resources by the operating system. Dual mode operation Sharing system resources needs operating system to make sure
Banker's Algorithm In this analogy Customers ≡ processes Units ≡ resources, say, tape drive Ba
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