My name is Narayan Bhandari from Dang Tulsipur, Nepal. I am a You tuber. I try to provide computer, printer, CCTV, Networking and Electronics device information and knowledge. If you have any question and problem depending these device give me your problem and question through comment, i will provide problem solved video through you tube channel Tech Guru Key. Flow our channel, you gain many knowledge and information about computer basic and diploma course. Please subscribe my channel and give your warm wishes for growing my knowledge as will as my you Tube channel too.