HCL (human computer interface)

HCL (human computer interface)

1. GUI (graphical user interface)

   • Advantages:
     • low level of ict skill needed/ easy to use
       • pictures can be more meaningful than words
   • disadvantages
     • takes up the most RAM and processing power
       • can run multiple apps at once
         • can make the computer run slower

2. command line

   • advantages
     • instructions execute quickly
       • small operating system
         • instructions are versatile
   • disadvantages
     • have to learn many commands
       • commands need to be put in exactly correct
         • high levels of ict required

3. 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 different to locate an option if there is a high number of menus and sub menus