HCI - Human Computer Interface

HCI - Human Computer Interface

1. Touch

2. Voice

   • Speech synthesis
     • ADVANTAGES
       • Visually impaired can use computers
     • DISADVANTAGES
       • Reads out unnecessary information
       • Difficult to use and understand
   • Natural language
     • DISADVANTAGES
       • Ambiguous language so meanings of words could be mixed up
       • Too much information given back
     • ADVANTAGES
       • Nothing to learn
       • Quick to use
   • Speech recognition
     • ADVANTAGES
       • Allows people who cannot type to use computers
       • Can be faster than typing
     • DISADVANTAGES
       • Background noise is an issue
       • Can be frustrating if system doesn't understand vocabulary

3. Biometrics

   • ADVANTAGES
     • No chance of fraud occuring
   • DISADVANTAGES
     • Expensive equipment
     • Time consuming
     • Information saved in a database - privacy issues

4. GUI - Graphical User Interface

   • ADVANTAGES
   • DISADVANTAGES

5. Game playing devices

   • ADVANTAGES
   • DISADVANTAGES
     • Expensive to replace

6. Command line

   • ADVANTAGES
     • Quick to use
   • DISADVANTAGES
     • Have to know code
     • Have to use code frequently

7. Graphical devices

   • ADVANTAGES
   • DISADVANTAGES