How Invented Computer Mouse?

The computer mouse was invented by Douglas Engelbart at the Stanford Research Institute in 1963 to revolutionize the way people interact with computers. He was able to change various settings on his machine by plugging dials and pushing switches, but all of it required him repeatedly leaving the keyboard and walking over to this machine’s tray of knobs. This invention lets him manipulate objects on the screen without having to get up from his chair, so he could easily move around large screens without ending up out-of-breath from running back and forth across a room. In later models, one finger pushed a single button to either drop through menus or double-click pick choices.

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