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Virtual memory


In computing, virtual memory is a memory management technique that is implemented using .... page table entry will contain the real memory address at which the page is stored. ... updates the page t...

linux - Where is the virtual memory stored on hard drive? - Unix ...


Mar 26, 2013 ... Where on the hard drive is this data / instruction stored? Is it stored .... Getting information about a process' memory usage from /proc/pid/smaps.

What is virtual memory? - Definition from WhatIs.com - SearchStorage


Virtual memory is a feature of an operating system (OS) that allows a computer to compensate for shortages of physical memory by temporarily transferring ...

What Is Virtual Memory of a Computer? | Business ...


The virtual memory is a special location on the hard drive that acts as ... Information that is sent to virtual memory is stored in what is called the "swap file" or ...

Physical Computer Memory and Virtual Memory - Data, Ram, Hard ...


Physical and virtual memory are forms of memory (internal storage of data). ... When information is needed in RAM, the exchanges system rapidly swaps blocks of ... of stored data to a virtual address maintained by the virtual-memory process.

c++ - Where virtual memory addresses reside? - Stack Overflow


The information about virtual pages (their status, physical location etc.) is stored in page table. How the page table itself is implemented and ...

Virtual Memory - Computer Systems: A Programmer's Perspective


address space stored on disk, keeping only the active areas in main memory ..... You can monitor the number of page faults (and lots of other information) .... virtual memory pages, and maps them to k arbitrary physical pages located anywhere.

Virtual Memory Definition - The Tech Terms Computer Dictionary


It does this by using hard disk space for additional memory allocation. However, since the hard drive is much slower than the RAM, data stored in virtual memory ...

RAM, virtual memory, pagefile, and memory management in Windows


Bruce Sanderson's general Windows information: RAM, virtual memory, pagefile, and all ... In Windows systems, these “paged out” pages are stored in one or more files ... The location and size of the page file is configured in System Properties ...

CS110: Introduction to Computers - Uhaweb


Virtual memory is not as fast as RAM, because your computer takes longer to ... direct the computer to the location of virtual memory are stored in RAM and are lost when .... A directory contains information about every file on the storage device, ...

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Virtual Memory


Initially, virtual memory meant the idea of using disk to extend RAM. .... That information is kept in another page table, which is indexed by the virtual page ( same as ... It's useful to keep it located in certain parts of RAM for just such a purpose.

What is virtual memory? | HowStuffWorks


When you have enough RAM for your needs, virtual memory works beautifully. When you don't, the operating system has to constantly swap information back ...

Virtual Memory: The Details


To implement virtual memory, it is necessary for the computer system to have ... never change — memory address 123 is always the same physical location ... assume that the application's first instruction accesses data stored at address 12374. ... all processes, the operating system must track usage information for all pages.