The function is useful when you want to assign a value to a cell based on a logical test.
a. if
b. now
c. and
d. or

An endless cycle of creation and response on the internet is called

According to alisa miller foreign news bureaus

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?