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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. If you carry a cell phone, you also have a calculator. Pretty much every mobile phone on the market has one, so you have no excuse not to do some intelligent per-unit math while you're out shopping.

  4. Samsung Behold II - Wikipedia

    en.wikipedia.org/wiki/Samsung_Behold_II

    The Samsung Behold II is able to hold up to 16 GB of extra memory via the microSD slot. It has Bluetooth 2.1, Wi-Fi and Wi-Fi radio, GPS, and support for Google services and Exchange ActiveSync. Through Google services, the Behold II has Google Search, Google Maps, Gmail, Google Calendar, and Google Talk. The Behold II has a Chrome Lite Browser.

  5. RAM limit - Wikipedia

    en.wikipedia.org/wiki/RAM_limit

    Bank switching allows blocks of RAM memory to be switched into the processor's address space when required, under program control. Operating systems routinely manage running programs using virtual memory, where individual program operate as if they have access to a large memory space that is being simulated by swapping memory areas with disk ...

  6. Random-access memory - Wikipedia

    en.wikipedia.org/wiki/Random-access_memory

    The memory cell is the fundamental building block of computer memory. The memory cell is an electronic circuit that stores one bit of binary information and it must be set to store a logic 1 (high voltage level) and reset to store a logic 0 (low voltage level). Its value is maintained/stored until it is changed by the set/reset process.

  7. Memory virtualization - Wikipedia

    en.wikipedia.org/wiki/Memory_virtualization

    Memory virtualization technology follows from memory management architectures and virtual memory techniques. In both fields, the path of innovation has moved from tightly coupled relationships between logical and physical resources to more flexible, abstracted relationships where physical resources are allocated as needed.

  8. Single address space operating system - Wikipedia

    en.wikipedia.org/wiki/Single_address_space...

    In computer science, a single address space operating system (or SASOS) is an operating system that provides only one globally shared address space for all processes.In a single address space operating system, numerically identical (virtual memory) logical addresses in different processes all refer to exactly the same byte of data.

  9. Cache coloring - Wikipedia

    en.wikipedia.org/wiki/Cache_coloring

    Illustration of cache coloring. Left is virtual memory spaces, center is the physical memory space, and right is the CPU cache.. A physically indexed CPU cache is designed such that addresses in adjacent physical memory blocks take different positions ("cache lines") in the cache, but this is not the case when it comes to virtual memory; when virtually adjacent but not physically adjacent ...