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  2. Virtual memory - Wikipedia

    en.wikipedia.org/wiki/Virtual_memory

    Virtual memory combines active RAM and inactive memory on DASD [a] to form a large range of contiguous addresses.. In computing, virtual memory, or virtual storage, [b] is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" [3] which "creates the illusion to users of a very large (main) memory".

  3. Commit charge - Wikipedia

    en.wikipedia.org/wiki/Commit_charge

    This is composed of main memory (RAM) and disk (pagefiles). The corresponding performance counter is called "Committed Bytes". Limit is the maximum possible value for Total ; it is the sum of the current pagefile size plus the physical memory available for pageable contents (this excludes RAM that is assigned to non-pageable areas).

  4. Hard disk drive failure - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive_failure

    A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields , or suffering a sharp impact or ...

  5. Static random-access memory - Wikipedia

    en.wikipedia.org/wiki/Static_random-access_memory

    Static random-access memory (static RAM or SRAM) is a type of random-access memory (RAM) that uses latching circuitry (flip-flop) to store each bit. SRAM is volatile memory; data is lost when power is removed. The static qualifier differentiates SRAM from dynamic random-access memory (DRAM):

  6. List of Linux distributions that run from RAM - Wikipedia

    en.wikipedia.org/wiki/List_of_Linux...

    Tiny Core Linux is an example of Linux distribution that run from RAM. This is a list of Linux distributions that can be run entirely from a computer's RAM, meaning that once the OS has been loaded to the RAM, the media it was loaded from can be completely removed, and the distribution will run the PC through the RAM only.

  7. Memory leak - Wikipedia

    en.wikipedia.org/wiki/Memory_leak

    In computer science, a memory leak is a type of resource leak that occurs when a computer program incorrectly manages memory allocations [1] in a way that memory which is no longer needed is not released. A memory leak may also happen when an object is stored in memory but cannot be accessed by the running code (i.e. unreachable memory). [2]

  8. File system fragmentation - Wikipedia

    en.wikipedia.org/wiki/File_system_fragmentation

    The problem could not be solved by simply checking the free space on the disk beforehand, either. While free space on the disk may exist, the size of the largest contiguous block of free space was not immediately apparent without analyzing the numbers presented by the disk catalog and so would escape the user's notice.

  9. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    The first production IBM hard disk drive, the 350 disk storage, shipped in 1957 as a component of the IBM 305 RAMAC system. It was approximately the size of two large refrigerators and stored five million six-bit characters (3.75 megabytes) [18] on a stack of 52 disks (100 surfaces used). [27]