1) Computer http://en.wikipedia.org/wiki/Computer

2) Mainframe computer http://en.wikipedia.org/wiki/Mainframe_computer

3) Supercomputer http://en.wikipedia.org/wiki/Supercomputer

4) Minicomputer http://en.wikipedia.org/wiki/Minicomputer

5) Microprocessor http://en.wikipedia.org/wiki/Microprocessor a single chip processor or central processing unit

6) Microcomputer http://en.wikipedia.org/wiki/Microcomputer this should be a single chip computer and WDC may have been the only company to sell single chip microcomputers, the W65C134S 8-bit computer on a chip and W65C265S 8/16-bit computer on a chip.

7) Home computer http://en.wikipedia.org/wiki/Home_computer

8) Mensch Computer http://en.wikipedia.org/wiki/Mensch_Computer this text should be updated to call the W65C265S a microcomputer replacing microcontroller. Also, the Mensch Computer should have been called the     Mensch Microcomputer based upon what “microcomputer” has been defined as. Notice, the IBM defined PC was never called a microcomputer but instead a Personal Computer.

9) Controller http://en.wikipedia.org/wiki/Controller used to mean many things http://en.wikipedia.org/wiki/Controller_(control_theory) general control functions, notice that computer is in the definition http://en.wikipedia.org/wiki/Controller_(irrigation) a specific controller

10) Microcontroller http://en.wikipedia.org/wiki/Microcontroller