What is Cache Memory in Computer Architecture?
Technology & Science / July 15, 2018

Processors are generally able to perform operations on operands faster than the access time of large capacity main memory. Though semiconductor memory which can operate at speeds comparable with the operation of the processor exists, it is not economical to provide all the main memory with very high speed semiconductor memory. The most frequently used data or instructions are kept in cache so that it can be accessed at a very fast rate improving overall performance of the computer. There are multiple level of cache with last level being largest and slowest to the first level being fastest and smallest. Basic Description about Cache memory Cache memory is a small-sized type of volatile computer memory that provides high-speed data access to a processor and stores frequently used computer programs, applications and data. It is the fastest memory in a computer, and is typically integrated onto the motherboard and directly embedded in the processor or main random access memory (RAM). Cache memories are small fast memories used to temporarily hold the contents of portions of main memory that are (believed to be) likely to be used. The idea of cache memories is similar to virtual memory in that some active portion…

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