In a sound file what do the numbers 11 khz 22 khz or 44khz describe

Worth 50 points answer them bc i am not sure if i am wrong

Suppose a cpu with a write-through, write-allocate cache achieves a cpi of 2. what are the read and write bandwidths (measured by bytes per cycle) between ram and the cache? (assume each miss generates a request for one block.)

In the microsoft® access® and microsoft excel® programs, the ribbon contains tabs that are divided into with like tools in them. parts groups containers bunches