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Acomputer has a two-level cache. suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. the access times are 5 nsec, 15 nsec, and 60 nsec, respectively, where the times for the level 2 cache and memory start counting at the moment it is known that they are needed (e.g., a level 2 cache access does not even start until the level 1 cache miss occurs). what is the average access time?

Following are uses of spreadsheets. for each use, choose whether the use is a business use, consumer use, or student use. family budget: sales data: recording research data for science class:

In python a floating-point number must be written using scientific notation?