Human command interface

Human command interface

1. Command-line

   • Commands must be typed correctly otherwise the command will not work (Disadvantage)
   • They don't need the memory and processing power of the latest types of computer (Advantage)
   • Experienced users who know the commands can work very quickly (Advantage)
   • An inexperienced user can sometimes find a command driven program difficult to use because of the amount of commands there are. (Disadvantage)

2. Menu driven interfaces

   • They are easier to use than command-line interfaces because the user does not have to rember commands (Advantage)
   • You can often guess your way around menus (Advantage)
   • They can be irritating if there are too meny levels of menus too move around

3. Graphical user interfaces (GUI)

   • They are much easier to use for beginners
   • They enable you to easily exchange information between software using cut and paste
   • They use a lot of memory and processing power. It can be slower to use than a command-line interface.
   • They can be irritating to experienced users