Modern CPU\'s utilize internal registers as high-speed memory. Below the registe
ID: 3725312 • Letter: M
Question
Modern CPU's utilize internal registers as high-speed memory. Below the register level in the typical memory hierarchy is ________ memory.
The role they play is to store the most recently used memory words. When a program needs to read a memory word it looks here first. If it finds what it needs it is called a hit. This improves _________ since it is much faster than going to main memory.
Typical _________ times for these are 2 nsec or less.
The _________ determines when and where to place a new item in memory.
Select your answers from the following list only:
RAM OS disk flash cache one two multi-core hit seek performance trap access development efficiency operation
Explanation / Answer
Answers:
Modern CPU's utilize internal registers as high-speed memory. Below the register level in the typical memory hierarchy is __cache_memory.
The role they play is to store the most recently used memory words. When a program needs to read a memory word it looks here first. If it finds what it needs it is called a hit. This improves __performance____ since it is much faster than going to main memory.
Typical _access________ times for these are 2 nsec or less.
The ____ OS _____ determines when and where to place a new item in memory.
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