The IBM709, which succeeded the 704 did; http://www.columbia.edu/acis/history/grosch.html The 709 succeeded the 704, adding overlapped i/o, indirect addressing, and decimal instructions. The 7090 was a 709 with transistor, rather than vacuum-tube, logic. http://www-1.ibm.com/ibm/history/reference/glossary_7.html The IBM 709 Data Processing System was introduced in January 1957. The first DEC computer, the PDP-1 (designed 1959) did as well. http://www.utc.edu/~jdumas/cs460/vonnarch.htm mentions the 709 and no others.