What is the used of the Computer in the Airplane?

Answer 1

If you are referring to the Airplane's computer system, it controls most aspects of flight in commercial airlines, including navigation.

If you are referring to people using laptops and notebooks on an airplane, many people need to keep conducting their business while in-flight, some want to watch their own movies, some play video games to pass the time. Which were you looking for?

Answer 2

Well, The plane wouldnt be flying without one.