exist for machines that used decimal addressing, such as the IBM1401(英语:IBM1401). A "12 K" 1401 has 12,000 characters of memory. International Standard ISO/IEC
by Max Maischein "IBM 726 Magnetic tape reader/recorder (页面存档备份,存于互联网档案馆) from IBM Archives "1401 Data Processing System" from IBM Archives 开放目录项目中的“File