Interaction.Keynote

440 views

Published on

Published in: Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
440
On SlideShare
0
From Embeds
0
Number of Embeds
17
Actions
Shares
0
Downloads
5
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Interaction.Keynote

  1. 1. University of Portsmouth Brief history… • Batch processing • Card punch/reader • Command line • Teletype, VDU • Menu and form fill • Terminal/ graphical screen • Keyboard and Pointing • Graphic User Interface device • Virtual Reality • Headset, dataglove etc • Ubiquitous computing • Embedded systems • Agents • Animation, natural language processing Dr. J. Crellin : : Interaction
  2. 2. University of Portsmouth Why are GUIs ‘good’? • A familiar user metaphor • Users apply knowledge from the ‘real world’ • The ‘visual cache’ • More ‘direct’ manipulation Dr. J. Crellin : : Interaction
  3. 3. Graphical Environment University of Portsmouth Manager • Digital Research’s attempt at a GUI for 8086 machines • Similar in concept to MacOS • …eventually crippled after litigation by Apple Dr. J. Crellin : : Interaction
  4. 4. University of Portsmouth Windows XP “luna” MacOSX “aqua” Dr. J. Crellin : : Interaction
  5. 5. University of Portsmouth Freedom of choice…? • Logical level – The form of interaction required, e.g text entry, pointing and selecting, other? • Physical level – Choice of devices to implement the interaction Dr. J. Crellin : : Interaction
  6. 6. University of Portsmouth Text entry • Qwerty keyboard (and other layouts) • Chord keyboard • Stylus text entry • Handwriting recognition • Non-European text entry • Voice recognition Dr. J. Crellin : : Interaction
  7. 7. University of Portsmouth Pointing devices • Mouse • Stylus • Finger/ touch screen • Trackball • Joystick • Voice command • Cursor keys Dr. J. Crellin : : Interaction
  8. 8. University of Portsmouth Output devices • CRT • LCD • Speech • Sound • Text to speech • Text to texture (braile) Dr. J. Crellin : : Interaction
  9. 9. University of Portsmouth Conflicting requirements… • Mobile phone: – portable, – light – small size – low power consumption – easy to enter text – easy to read screen – bright enough to read at night or in bright sunlight – allow user to access many functions Dr. J. Crellin : : Interaction

×