MITS Altair 8800 - Considered by many to be the first microcomputer, the MITS altair 8800 was based on a 2 MHz Intel 8080 with 256 bytes standard RAM and interfaced with the user through the octal front panel switches. This unit has an 8" floppy disk drive. - http://wwwcsif.cs.ucdavis.edu/~csclub/museum/items/mits_altair_8800.html
Altair - Brief article on the history of the Altair 8800. - http://www.cis.usouthal.edu/faculty/daigle/project1/1975malt.htm