Human Computer Interface

Human Computer Interface

1. Command-Line Interfaces

   • it allows the user to interact with the computer using commands
   • command programs do not need to run on windows
   • An advantage of command driven programs is that they do not need the memory and processing power of the latest computer and will often run on lower spec machines.
   • An unexperienced User can sometimes struggle and find a command driven program difficult to understand

2. Menu Driven interfaces

   • they are easy to use as the user does not have to remember sets of commands
   • they are user friendly so you can often guess your way around the options
   • They can be irritating if there are too many levels of menus to move around.
   • A menu bar is the set of options at the top of the screen to help direct people to places

3. Graphical user interfaces

   • They are much easier to use for beginners
   • They can be irritating to experienced users when simple tasks require a number of operations
   • THey use a lot of memory and processimg power
   • They enable you to easily exchange information between software using cut and paste or 'drag and drop'
   • They use suitable colours for key areas
   • They use words that are easily understood for the aimed type of user