- January 3: 34-year-old Jef Raskin joins Apple Computer as employee #31, exactly one year after being incorporated.
- January: Brian Howard, Elmer Baum, Phil Roybal, and Gary Shannon join Apple Computer as employees #32, #34, #35, and #38, respectively.
- January 30: Early Apple employee Chris Espinosa sketches Apple Computer's second workplace.
- April 10: Apple Computer signs a $13,000 contract with Shepardson Microsystems to develop a Disk Operating System (DOS) for the Disk II drive and Apple II computer.
- April 27: Future Macintosh development team member Bill Atkinson joins Apple Computer as employee #51.
- May: Charles Mauro joins Apple Computer as employee #57.
- June: The Disk II is released.
- October: Cheng Lim and Terri Powers join Apple Computer's production department as employees #136 and #140, respectively.
- December: Bob Bishop is recruited by Steve Wozniak to join Apple Computer as employee #187.
- December 13: Bana Witt is issued a badge by Apple Computer as employee #49.