Company X that manufactured computers like the one below has its name in the history books as the first to “register” something. What?

Cracked by: username, Ananth, shrik, Rogi, Raghuvansh, Manish Achuth, Sumanth Patlolla, krudebox, Dibyo, raklodramA, Nanda, Shwetha Maiya, Rahulk, lanu, Qbrain, Vasanth Kamath, Rahul Rajeev, Vardhan Shenoy, Bheema V, udupendra, SV, Bharath, Gurupad, Logik, dineshk, v.chandrashekar, Thejas V R, mankuTimma and nishansolo