Human Computer Interfaces

Human Computer Interfaces

1. Command-Line Interfaces

   • allows the user to interact with the computer by typing
   • The command must be typed correctly and in the right order
   • They don't need the memory and processing power
   • Can run many programs at once
   • All PCs use command-line interfaces

2. Menu Driven Interfaces

   • The user is given a simple menu to choose an option
   • one menu leads to further menu. sometimes they give instructions
   • Full Screen menus take up the entire screen.
   • A Menu Bar is a set of options at the top of the screen. A drop down Menu might be offered
   • They are easy to use as the user doesn't have to remember any commands
   • they are user friendly and you can often guess options.
   • As there are many levels to move around it can be irritating

3. Graphic User Interface

   • The user chooses an option, by clicking on an icon representing the option
   • Easier for beginners
   • enables you to exchange information between software, easily
   • they use a lot of memory and processing power.
   • they can be attractive and pleasing to the eye
   • allows the user to try different options