Human Computer Interface

Human Computer Interface

1. Command line interface

   • Use: Expert using it to find information on network/ system configuration
   • Advantage: Fast to execute (run)
   • Disadvantage: Need to know the commands and spell correctly

2. Graphical User Interface

   • Use: For a primary school child using a maths program
   • Advantage: Fun to use/ colourful/ easy to use
   • Disadvantage: Slows an expert user down

3. Voice/ speech recognition interfaces

   • Use: voice control in car navigation system
   • Advantage; Quicker than typing
   • Disadvantage: Have to speak slowly

4. Touch Sensitive screens

   • Use: In museums to allow children to gather information
   • Advantage: Empowers disabled
   • Disadvantage: Dirty fingers

5. Biometric Devices

   • Use: Registration systems
   • Advantage: dont have to remember passwords
   • Disadvantage: Equipment is very expensive to buy

6. Game playing device

   • Use: Joysticks- to control flight simulator
   • Advantage: Greater realism
   • Disadvantage: Expensive equipment