Changes
The original machine was followed up by the II+, which includes a better BASIC and can automatically boot from a disk drive if attached.
The Apple IIe (styled as Apple //e) is the third model in the Apple II series. It was released in January 1983 as the successor to the Apple II Plus. The e in the name stands for enhanced. It is the first Apple II with built-in lowercase and 80-column text support, as well as 64K RAM, while reducing the total chip count from previous models by approximately 75%.
The IIgs is the final model in the Apple II series, equipped with a backwards-compatible 16-bit 65816 CPU with a Macintosh-modelled OS.
All machines use a keyboard that cannot communicate multiple simultaneous keypresses, which makes playing games by keyboard difficult. The II and II+ also lack the capacity for lowercase text entry and cannot display lowercase letters in their clean text mode. However all generations of machine have analogue and trigger inputs, which are most commonly used for two two-axis analogue joysticks with two buttons, accepted by the majority of games.
==Audio==
