Le système d'exploitation en trois idées clé

When I launch a video playback application, images appear on the screen and sound comes out of the speakers. At the same time, my email reader notifies me of a new message, which I can reply to by typing, without having to leave my video player (which might force me to start the video from the beginning, just when I'm finally about to find out how the hero will fare!?). How can an application interact with hardware devices? How can two applications run simultaneously on a single processor? This is thanks to the operating system, an intermediate software layer between the application layer and the hardware layer, which we invite you to discover through three key concepts... This video is one of the scientific and technical literacy modules of the MOOC on Computer Science and Digital Creation https://pixees.fr?p=10744 Damien Saucez is an Inria Research Fellow in the DIANA team. His research focuses on information-centric networking (ICN) (e.g., routing and congestion control issues), software-defined networking (SDN) (e.g., resilience and robustness issues), and large-scale experimentation. He is an active contributor to the IETF and IRTF. The video was produced by Manhattan Studio Production.