memory

memory

1. CPU cache

   • A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory.
   • a down side of CPU cache, its very expensive
   • a plus side of cache memory is that its very fast

2. RAM

   • Random-access memory is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code.
   • one of the fastest types of memory other than CPU cache

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