How to determine area and circumference of a circle

When copying and pasting text, the first step is move your cursor type the text select the copy command select the paste command

In he example code, what does the title attribute create? a tool tip an element a source a markup

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?