Computers: The Past, Present, and Future -- Present

Computers: Present: Topics

Cache Memory Cache memory is something that is more essential to your CPU than you would think. Imagine when you are walking around living your life, you had someone who would follow you around. Then, any given second you could say, "here take this, I am going to need it in a second". Well in the computer world, the cache serves as the CPU’s left-hand man. The cache is responsible for holding information that is used frequently. The cache is composed of fast SRAM memory. Cache memory is faster than regular memory and helps to increase the performance of the processor. Cache memory is present on-chip in the entire Pentium series, but with the single exception of Celeron type A chips. Some chips do not contain on-chip cache memory and allow the addition of external cache memory through a special expansion board. One new addition to the Pentium family, the XEON chip, allows for a larger size cache than ever before. The XEON chip is frequently used in servers for the large cache.
Note: Cache Memory is very expensive compared to normal memory.

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