HCI's

HCI's

1. Graphical user interface

   • Advantages:
     • Low-levelv of ICT skills needed; easy to use.
     • Pictureas can be more meaningful than words (help younger audiences or people with disabilities
   • Disadvantages:
     • Can be large and complex and therefore take up resources
     • Can make the computer run slower

2. Menu driven interface

   • Advantages:
     • Navigation to find option is simple.
     • User input is validated 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 high number of menus & sub-menus

3. Command-line interface

   • Disadvantages:
     • Need to learn the special instructions.
     • Need to type instruction precisely
     • Complex levels with some commands. High level ICT skills needed.
   • Advantages:
     • Instructions excute quickly.
     • Instructions are versatile. Large number of options can be picked per instruction.
     • Small operation system (less memory used)

4. Touch-sensitive interface.

   • Advantages:
     • Low-level ICT skills.
     • Less possibility.
     • More practicality in some environment where a keyboard cannot be used i.e. extremem cold and user has gloves on.
   • Disadvantages:
     • Can become dirty and scratched, which will make it difficult to read.
     • Higher cost than mouse, keyboard and normal monitor