the first computer was made available to the public on february 1951.
when was the first computer made available to the public?
february 1951
bullet::::- october 1977: commodore pet (n. am.), first all-in-one computer: keyboard/screen/tape storage built into stamped sheet metal enclosure.





























the following computers also introduced significant advancements to the home computer segment:





























bullet::::- 1979: ti-99/4, first home computer with a 16-bit processor and first to add sprite graphics





























bullet::::- 1979: atari 400/800 (n. am.), first computer with custom chip set and programmable video chip and built-in audio output





























section::::notable home computers.:1980s.





























bullet::::- 1980: commodore vic-20 (n. am.), under us$300; first computer of any kind to pass one million sold.





























bullet::::- 1980: trs-80 color computer (n. am.), motorola 6809, optional os-9 multi-user multi-tasking.
home computer
kek has computers which are fastest class in japan, and computing research center in kek manages the computer systems. the theoretical operation performance of sr16000, a super computer made by hitachi, is 46 tflops. the theoretical operation performance of blue gene solution, a super computer made by ibm, is 57.3 tflops. these super computers had been used to study quantum chromodynamics and numerical accelerator physics mainly, and these super computers have been shut down in order to introduce a next super computer in the future. computing research center also manages the other computer systems: kekcc, b-factory computer system and synchrotron light computer system.
kek