Interfaces

Interfaces

1. Graphical user interface

   • Disadvantage
     • Takes up much larger amount of hard disk space than other interfaces
     • They need a lot more memory (RAM) to run than other interface types
     • They use more processing power than other types of interface
     • They can be slow for experienced users. These people often find CLLI interfaces much faster to us
   • Advantage
     • Is easier to use especially for beginners
     • It is easy to explore and find your way around the system using WIMP
     • You don't need to learn complicated commands
     • There are usually a reasonable help system included with GUI interfaces
     • They let you exchange data between different software applications

2. Command line interface

   • Advantage
     • If the user knows the correct commands then this type of interface can be much faster than any other type of interface
     • It needs less memory space (RAM) in order to use compared to GUI
     • Does not need as much CPU processing time
     • A low resolution, cheer monitor can be used with this type of interface
     • A CLI docent need Windows to run
   • Disadvantage
     • For someone who has never used before it can be very confusing
     • Commands have to be typed precisely, if there is a spelling error the command will fail
     • If you you mis-type something you often have to start from scratch again
     • There are lots of commands which have to be learned
     • You can't just guess what the command might be and you can't just "have a go"

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