I think the first Mac my Dad bought had 64 Kb of RAM, which he later upgraded to 128. It also had one (1) floppy disk drive, period. You had the OS (the system) on one disk and your apps on other disks, and you had to switch them all the time. The Mac ejected the disk automatically and waited for you to insert the app disk, then it asked for the system disk again, and so on. Pretty soon we had an additional external disk drive, and later, a hard drive.
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