Operating system basics(BCA, MCA, Msc I.T.) Lecture by Mrs. Deepika Shrivastava.
Operating system is an intermediary between computer user and computer hardware, it acts as an interface between user and hardware. It resides in upper portion of main memory and works in privileged mode. Functions of OS are: file management, memory management, device management and process management. Goal of OS are: convenience (eg. Windows OS) and efficiency (eg. Unix). Generations of OS are: 1.sequential, 2.Batch, 3.Multiproggramming, 4.Real time OS. visit http://www.gurukpo.com for free study material/notes and http://www.biyanicolleges.org best college in jaipur. Thanks for watching and commenting. If you like our video you can Subscribe Our Youtube Channel for free study related videos here https://www.youtube.com/user/gurukpobiyanicollege?sub_confirmation=1 And You can also subscribe to our Biyani TV Channel for quality videos about Fashion Lifestyle, Current affairs, Motivational videos and many useful topics https://www.youtube.com/channel/UC50PUq-NO3Upw7XYsjwKQrA?sub_confirmation=1