What is an operating system?  

Anna nuvvu ma god annaya urs explanation is so fantastic annaya very great super 👌 👍 annaya tq

Tq so much sir good explanation this video is most useful

Nice sir good explanation ❤❤

Anna NV super explanation annaya tq so much brother

Super explain sir ❤️

Sir chala baga chepputhunnaru

hello sir bcom 1st sem lo migatha chapters meedha kuda videos cheyyandi sir please ms word,ms excel,ms power point and ms access mee videos maku chala baga use avthunnay sir tq so much

Super video sir iam Raghavendra bcom 1st year

Explain user views and system view also sir please 😊😊😊😊

Thank you so much Akka

Super sir

Sir computer exam telugu rayavacha... Telugu lo question paper vastundaa sir....

Only for bcom or ,,bsc,mccs also it useful

Thank you brother

Sir 1st Sem IT important questions chepandi sir plz already chestey link send cheyandi sir plz

Sir

Good sir

Thanks you

Sir features and types are same

👌👌👏👏

Tq

Ok sir but konchem Baga chappali

Super sir