Look at how different UI is from mainframe/green screens to the client-server apps of the 90s-00s to todays mainly web front ends. It has changed drastically o

Look at how different UI is from mainframe/green screens to the client-server apps of the 90s-00s to todays mainly web front ends. It has changed drastically over the past 40 years but still pretty much does the same thing. Provides the user a way to interact with computer/software/data.