The Cache is
the area where the processors store the data it needs frequently. Retrieving
data from the hard drive each time takes too much time. Processors incorporate
their own internal cache memory. The cache acts as temporary memory and
boosts processing power significantly. The cache that comes with the processor
is called ‘Level One’ (L1) cache. This cache runs at the processor’s
clock speeds, and therefore is very fast. The L1 cache is divided in to
two sections, one for data and the other for instructions. More the L1
cache, faster the processor. Computers also include a much slower secondary,
or ‘Level Two’ (L2) cache. This cache resides on the motherboard
and delivers slower performance when compared with the L1 cache. To overcome
this limitation, newer chips house the L2 cache in a cartridge along with
the processor. Data transfer from L1 Cache is the fastest while L2 cache
follows a close second.
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