The IBM mainframe line that superseded System/360. Introduced in 1970, the System/370 added virtual memory and other enhancements. In the early 1980s, IBM added Extended Architecture (XA ...

If you think of IBM mainframe computers, you most likely are thinking of the iconic S/360 or the slightly newer S/370. But what about the 7070 from 1958? It had transistors! It didn’t ...