1.1 Development

1.1 Development

1. Early designs

   • 1960- GUI called Sketchpad
   • 1970- based on the WIMP model
   • 1984- Macintosh estabilished

2. Extended command line editor (CLE)

   • the only way to interact with a computer was to enter a series of codes
   • copy/rename

3. Graphical user interface (GUI)

   • easy way to access programs and give commands

4. Web user interface

   • generates a web page to get information
   • via web browser
   • a suited programming language is JavaScript

5. Visual Systems

   • 3D pictures
   • films
   • LCD screens
   • LED/ Holograms

6. Specialised interfaces

   • developed for the disabled
     • access to library services
     • sign language
   • tracker ball

7. Present and future development

   • Robotic systems for the visual impaired
   • virtual reality computer games
   • 1990s- speech activated software
     • developments have improved so the user can talk at any speed and still be understood
   • virtual reality
     • used to train pilots, astronauts and ricing drivers.

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