  Additionally, new<br>
  features were added to memory handling and modes of operation.<br>
<br>
  Today, the latest processors can run legacy code from the<br>
  8086, but older processors present problems for programmers.<br>
  Each program may need to check the CPU and decide it their<br>
  program is compatable.<br>
<br>
<br>
  4. How do we Get CPU data?<br>
<br>
  CPU data is obtained by executing the "cpuid" instruction<br>
  and others. By watching how the computer handles various<br>
  instructions