Cache(L3) RAM Cache(L2) Cache(L1) Access time 2ns Access time 5ns Hit ratio 75% Hit Ration 85% Access time 10ns Access time 30ns Hit Ration 95% Suppose a program, initially loaded into RAM, contains 1500 instructions. The Hit ratios of L1, L2 and L3 Caches are 75%, 85% and 95% respectively. Calculate average access time. Also calculate total access time. CPU

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A:

Memory Size

A memory unit is the amount of data that can be stored in a storage unit. Some storage devices are RAM, hard drive, memory card, flash drive, etc. In the age of exponentially growing digital media, knowledge of how computer memory works is a key skill.