Archive for August, 2010
Definition of MPEG
MPEG, a noun, is an acronym for Moving Picture Experts Group. A set of standards for audio and video compression established by the Joint ISO/IEC Technical Committee on Information Technology. The MPEG standard has different types that have been designed to work in different situations. It is also a video/audio file in the MPEG format. [...]
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Definition of L2 Cache
L2 cache, a compound word, is a noun. It is a memory cache consisting of static RAM on a motherboard that uses an i486 or higher-level processor. The L2 cache, which typically contains 128 KB to 1 MB, is faster than the system DRAM but slower than the L1 cache built into the CPU chip. [...]
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Definition of L1 Cache
L1 cache, a compound word is a noun and is a memory cache built into i486 and higher-level processors to help improve processing speed. The L1 cache, typically containing 8 KB, can be read in a single clock cycle, so it is tried first. The i486 contains one L1 cache; the Pentium contains two, one [...]
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Definition of Cache
Cache, a noun, is a special memory subsystem in which frequently used data values are duplicated for quick access. A memory cache stores the contents of frequently accessed RAM locations and the addresses where these data items are stored. When the processor references an address in memory, the cache checks to see whether it holds [...]
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