System Analysis and Design: Open System Closed System OSO-OSI-OST Difference between Open system and Closed system Diznr International 11 months ago System Analysis and Design,Open System, Closed System, OSO,OSI,OST, Difference between Open system and Closed system, System Analysis and Design,Open System, Closed System, OSO,OSI,OST, Difference between Open system and Closed system, https://www.gyanodhan.com/video/7A1.%20Computer%20Science/System%20Analysis%20and%20Design/687.%20Open%20System%20%20Closed%20System%20%5B%20OSOOSIOST%20%5D%20-%20Difference%20between%20Open%20system%20and%20Closed%20system.mp4