The document discusses the computer as a medium for virtual reading. It notes that while writing on computers involves programming code and storage as binary numbers, text, documents, webpages, images, movies and games are all represented digitally. The computer interface involves input/output through the screen, operating system and graphical user interface to provide an designed reading experience. Virtual reading on computers requires new media literacies and can be interactive, immersive and performative due to the computer's capabilities for read-write functions, agency and multimedia.