If you want to watch right away, Netflix is testing the 4K streaming waters with select shows (House of Cards, Breaking Bad, The Blacklist) and films (Ghostbusters, The Smurfs 2) if you own a Samsung, Sony or LG 4K TV and have a 25Mbps internet connection.
A PRN file is a special type of file which contains instructions for a printer, it tells the printer what to print on the page and where as well as which paper tray to use, what the paper size is and a number of other controls.
Presentation file (Harvard Graphics for Windows). PRS is a file extension for a presentation or slide show file created by Harvard Graphics presentation software. PRS files contain text, images, charts, graphs and other media. PRS files can be opened and edited with Harvard Graphics presentation software. Learn more about .PRS files: Visit the Harvard Graphics Web Site. Read about Graphics Cards at ITKnowledgeExchange.com.