This chapter describes the input and output (I/O) devices built into the Apple He in terms of their functions and the way they are used by programs. The built-in I/O devices are ai the keyboard ai the video-display generator ai the speaker ai the anbsp;...
|Title||:||Apple IIe technical reference manual|
|Author||:||Apple Computer, Inc. Apple II Division. User Education Group|
|Publisher||:||Addison Wesley Publishing Company - 1986-01-01|