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What is a precursor to the modern graphical user interfaces, developed by Engelbart?

  • Windows OS

  • Mac OS

  • Bitmapped screens

  • DOS

Answer

**Answer**: Bitmapped screens, a precursor to modern graphical user interfaces, introduced the concept of representing images and text as a grid of individual pixels. This innovation enabled the manipulation and modification of on-screen elements, paving the way for the user-friendly interfaces we see today.
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