HCI

HCI

1. Human Voice Control

   • Use: In-car navigation systems when setting/changing destination.
   • Adv: Quicker than typing
   • Dis: Problem with regional accents

2. Command Line

   • Use: Writing small batch files in DOS
   • Adv: Uses less overheads(processor/RAM)
   • Dis: Frustrating for inexperienced users.

3. Graphical User Interface

   • Use: In a primary school maths program
   • Dis: Needs a powerful processor/more RAM
   • Adv: Colourful and easy to use

4. Touch-sensitive screens

   • Use: Buying tickets at railway stations.
   • Adv: Used in hostile environments where keyboards can get sticky
   • Dis: Screen requires re-calibration

5. Biometric Devices:

   • Use: Retina scan to gain access to a room.
   • Adv: Hard to copy
   • Dis: Equipment is expensive to purchase