The linked article doesn't mention that the SSEC's modifiable-program nature is debated, since it normally read instructions from paper tape. It did have a smal

The linked article doesn't mention that the SSEC's modifiable-program nature is debated, since it normally read instructions from paper tape. It did have a small (150 word) relay store from which it could also read instructions (so I personally think it counts). http://www.quadibloc.com/comp/cp04.htm#ssec http://www.quadibloc.com/comp/cp04.htm#ssec http://www.columbia.edu/cu/computinghistory/ssec.html http://www.columbia.edu/cu/computinghistory/ssec.html