PDP-11

A PDP-11/40 exhibited at the Vienna Technical Museum, a single tall cabinet with twin tape drives in the middle and the red and purple switch panel at the bottom. DEC's 16-bit PDP-11 family began with the PDP-11/20, introduced in 1970 for $10,800, and every model could run the same software. Its biggest legacy is Unix: Ken Thompson and Dennis Ritchie at Bell Labs moved their new operating system onto a PDP-11 before rewriting it in C, and the descendants of that work run phones, servers and Macs today.