![]() In the early 1970s, Xerox began to experiment with a new graphical approach that culminated in its revolutionary Xerox Alto computer, which utilized a mouse and a bitmapped display. The Xerox Star arguably made computers user-friendly for the first time. They weren’t very user-friendly and required specialized training to program or operate properly. ![]() In the 1960s and 70s, most computers were large, expensive devices operated using batch-processing with punched cards or through interactive command-line operating systems accessed through teletypes or video display terminals.
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