full playlist of Syllabus of diploma CS
https://www.youtube.com/playlist?list=PLBV6VAQlom0kckcEPx3xiJNQ-NbWZBZZ_


Computer Architecture & Hardware Maintenance topics playlist :

https://youtube.com/playlist?list=PLBV6VAQlom0k6FhyVNFO_QLiPgu-eWOod