> machines that we would call desktops were very often referred to as mainframes. I suspect you're misinterpreting what you are seeing, those adverts probably

> machines that we would call desktops were very often referred to as mainframes. I suspect you're misinterpreting what you are seeing, those adverts probably showed someone working at a keyboard and VDU screen. They aren't the computers, they are just terminals which connect to the computer. Have a look at the links below for some examples. http://www.chilton-computing.org.uk/ca/technology/ibm3032/overview.htm http://www.chilton-computing.org.uk/ca/technology/ibm3032/ov... http://electroprops.co.uk/73/Computing/1970s-DEC-VT100-VDU-computer-terminal-P2033.html http://electroprops.co.uk/73/Computing/1970s-DEC-VT100-VDU-c...