The popularity of the graphical user interface (GUI) on personal computers was spurred by the release of which computer:

The Apple Macintosh, released in 1984, helped bring the graphical user interface to a wide audience on personal computers. Its windows, icons, and mouse-based controls made the GUI popular with everyday users. The IBM PC and Commodore PET were important computers, but their releases did not spur the GUI’s popularity in the same way.

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