This is a very broad question so I apologize if what I’m saying is not what you’ve asked for.
Computers have positive and negative effects. Starting with positive it eliminates errors due to accurate calculations and spelling checks if it is a written document. It keeps everything more organized in general. Negative is it can be distracting or confusing at times. You have the ability to go on different websites and do things other than work, it can be distracting. And technical difficulties occur causing confusions and taking up work time to fix that error.
He did that because rome started to fall and was taking pressure by north countries.Byzantium was the best solution because of it's geographic location and it could control the trade