Original: Most CPUs since the 1980s have used one or more caches, and modern microprocessors inside personal computers may have as many as half a dozen, each specialized to a different part of the task of executing programs.
Simplified: Most CPUs since the 1980s have used one or more caches. Modern general-purpose CPUs inside personal computers may have as many as half a dozen. Each cache may be specialised to a different part of the task of executing programs.