Human Computer Interface(HCI)

Human Computer Interface(HCI)

1. GUI (Graphical User Interface)

   • Uses window, icon, menu, pointer (WIMP)
   • Advantages
     • Low-level of ICT skills needed; easy to use
     • Pictures can be more meaningful than words
   • Disadvantages
     • Can be large and complex and therefore take up resources
     • Can make computer run slower

2. Menu-driven interface

   • Advantages
     • Navigation to find option is simple
     • User inputs is validates as only the options shown can be used
   • Disadvantages
     • Some options may have no use for a particular user
     • Can be difficult to locate an option if there are a high number of menus & sub-menus

3. Command line interface

   • Advantages
     • Instructions execute quickly
     • Instructions are vesatile. Large number of options can picked per instructions
     • Small operating system (less memory storage)
   • Disadvantages
     • Need to learn the special instructions
     • Need to type instructions precisely
     • Complex levels with some commands. High level ICT skills needed