Human Computer Interfaces (HCIs)

Human Computer Interfaces (HCIs)

1. Graphical User Interfaces

   • Advantages
     • Low level of ICT skills needed
     • Pictures can be more meaningful than words (Kids, disabled)
   • Disadvantages
     • Can be large and take up more computer resources
     • Can make the computer run slower
   • Pictures, icons & menus

2. Menu Driven Interface

   • Advantages
     • Navigation is simple
     • User input is always validated
   • Disadvantages
     • Some options may have no use to certain users
     • Can be difficult to locate an option if there's a high number of menus

3. Command line interface

   • Advantages
     • Instructions execute quickly
     • Instructions are versatile
     • Small OS so little memory used
   • Disadvantages
     • Ned to learn the special instructions
     • Instructions must be typed precisely
     • High level of ICT skills required

4. Touch sensitive interface

   • Advantages
     • Low level of ICT skills needed
     • Less chance of theft
     • Often more practical
   • Disadvantages
     • Can end up dirty or scratched
     • Higher cost than mouse, keyboard and monitor

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