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Human Computer Interface (HCI)

1. Functions of operating systems

   • Manage and control
   • User interface
   • Errors
   • Hardware
   • Software
   • Memory use
   • Organise resources

2. Types of user interface

   • Graphical
   • Command line
     • Advantages of command line
       • Quicker
       • Disadvantages of command line
         • Difficult
         • Instructions need to be remembered
   • Voice driven
   • Menu/dialogue boxes
   • Touch sensitive
   • Biometric

3. WIMP

   • WINDOWS
   • ICONS
   • MENUS
   • POINTERS

4. Voice driven

   • Voice recognition
   • Commands
   • Enter data

5. Touch sensitive

   • MP3
   • Mobiles
   • Info kiosks
   • Notebook
   • POS

6. Biometrics

   • Fingerprints
   • Automatic recognition