A:AnswerThe 24-dp0140z has 16GB RAM vs 12GB, in addition to having the 256GB SSD, the 24-dp0140z also has 1 TB HDD storage. They both have a 2.1 GHz base clock but the 24-dp0140z has up to 3.7 GHz max boost.
A:AnswerThe all in one computers, have the "tower" portion built into the "monitor" portion. This allows it so save space in your home or work environment.
A:AnswerYes, split screen can be done. Open your programs or browser windows. Take them off full screen and adjust them to a size that allows you to see both. Checkout the website
goatcloud.com/2012/11/02/split-the-monitor-screen-in-two-in-windows-7/
Good luck