Bitmapping and graphical interfaces became features of Xerox PARC's prototype computers, such as the Alto, and its object-oriented programming language, Smalltalk.

位图显示和图形界面成为了施乐 PARC 开发的电脑样机（比如“奥图”电脑）和面向对象的编程语言 Smalltalk 的特性。