1st Mouse

: Steve Jobs saw the mouse during a visit to Xerox PARC and realized its potential for the average person. Apple's subsequent computers popularized the mouse as an essential household tool. Legacy of the First Mouse

Despite the acclaim, the first mouse did not trigger immediate adoption. 1st mouse

Engelbart’s quest began with the question: How can a user move a cursor efficiently across a two-dimensional screen? He rejected absolute-position devices like the light pen (which caused arm fatigue) and relative-position devices requiring constant recentering. : Steve Jobs saw the mouse during a

: Instead of a trackball or an optical sensor, it used two metal wheels positioned perpendicularly to each other. One wheel tracked horizontal movement, while the other tracked vertical movement. while the other tracked vertical movement.