<page_title> List of vacuum tube computers </page_title> <table> <cell> IBM NORC <col_header> Computer </col_header> </cell> <cell> Built by IBM for the US Navy Bureau of Ordnance, it was the first supercomputer and the most powerful computer in the world for at least 2 years. <col_header> Notes </col_header> </cell> </table>
The IBM Naval Ordnance Research Calculator (NORC) was a computer built by IBM for the United States Navy's Bureau of Ordnance.