WhiteHat Jr’s shades of grey

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Editor's note: “Ma’am, ye internet kaise chalta hai? Aur ye hota kahan pe hai? (Ma’am, how does the internet work? Where is it located?)” asks the student. “…Internet, you either have your WiFi, broadband connection… and then you have your mobile data,” says the teacher. “You have a big, black-coloured wire, called as broadband… And mobile data is like, you would have seen many mobile towers… That is like an antenna. Like how in older days TV had antenna for signal. Same way, mobile towers, they will transmit the signals.” “Ma’am, yeh files cloud mein kaise save hoti hain? Yeh kahan par hoti hain? (How do files get saved in the cloud? Where are they located?)” “… Cloud is something which is in the open, in space, in open air.” “Ma’am, how can so many files be saved in cloud?” “It happens only in cloud. Cloud is nothing but a free-moving thing around you. Can you see the air around you? No, right?… It is the same way, you cannot see the cloud around you…” “But data has to be saved somewhere. …