* Posts by Colin Eby

1 post • joined 15 Nov 2011

Happy 40th birthday, Intel 4004!

Colin Eby

A few corrections more...


1. IT was not built on the Intel 4004 or its successors. The information technology industry started in the 1950s with pioneering data processing applications leveraging emerging computing technology. Remember LEO, and the IBM 1401? They were certainly information technology systems. You'd have to use a pretty discrete and tortured definition of IT to claim the 4004 was its first building brick.

2. You use the phrase 'first processor' to describe the 4004. Here comes more pedantry... This is not true either. It was the first commodity, commercially available microprocessor -- which is to say an IC with all the traditional components of a CPU. Computer processors in modern sense date back to at least 1949 and EDSAC. The Digital PDP-11, a direct contemporary of the 4004, certainly has a processor, as did all it's ancestors. What it didn't have was a single chip 'microprocessor.'




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