: TRS-80 Model III (OS in ROM, with 48k of ram and dual 5 1/4" floppies.
2: TI/4A (OS in ROM, external cassette tape drive)
3: Apple II+ (2 5 1/4" floppies)
4: TI PC (8088 with a 10 MB hard drive, color video, 2 x 5 1/4" floppies)
5: Mac Classic (80 MB hard drive 3 1/2") floppy
... which brings us all the way to 1992
2: TI/4A (OS in ROM, external cassette tape drive)
3: Apple II+ (2 5 1/4" floppies)
4: TI PC (8088 with a 10 MB hard drive, color video, 2 x 5 1/4" floppies)
5: Mac Classic (80 MB hard drive 3 1/2") floppy
... which brings us all the way to 1992