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Wednesday, May 23, 2018

In a computer device, which of the following types of memory has the fastest access time?

In a computer device, which of the following types of memory has the fastest access time?

  • PCIe based SSD memory
  • RAM
  • CPU register
  • CPU cache 

 
In a computer device, which of the following types of memory has the fastest access time?

EXPLANATION

The faster the memory is the more expensive. Also the closer to the CPU is the lesser the latency would be. In this regard one can reasonably suggest which is the fastest memory only be looking by it size and location in the system.
The fastest memory block in a computer is the CPU register but it is also the smallest. It is followed by various levels of CPU cache. More info can be found here:
http://www.moreprocess.com/devices/computer-memory-hierarchy-internal-register-cache-ram-hard-disk-m...
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