(Level 1 cache) A memory bank built into the CPU chip or packaged within the same module as the chip. Also known as the "primary cache," an L1 cache is the fastest memory in the computer, and it is closest to the CPU. The L1 cache feeds the processor. See L2 cache and cache.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
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