The computer didn’t have a slot 0, but it did have an auxiliary slot that could receive a 1 KB memory card, allowing the 80-column display to work. The Apple IIe had the hardware and firmware ...

Apple II, II Plus, IIe and IIc Introduced in 1977, the Apple II came with 4K of RAM and hooked up to a TV and cassette tape recorder. A year later, a floppy disk was available. In 1979 and 1983 ...