and the processor was a robust 4 MHz 65C02 processor that played 8-bit Apple II software quicker than the IIGS. In addition, the IIc Plus included a redesigned keyboard layout compatible with the ...
Introduced in 1986 and discontinued in 1992, the faster IIGS had better graphics and sound. It ran Apple II software, but required GS software to use the enhanced features. See Apple III and Apple 1.