11. This method was developed around 1950 by EDSAC, one of the first electronic computers . 12. Those methods included the Colossus machines, early digital electronic computers . 13. Early electronic computers , and early home computers, had relatively small amounts of working memory. 14. Following the mission, the mathematicians are laid off and ultimately replaced by electronic computers . 15. Electronic computers , using either relays or valves, began to appear in the early 1940s.16. Aiken boasted that the Mark III was the fastest electronic computer in the world. 17. Originally, all electronic computers were serial ( single-bit ) computers. 18. Modern electronic computers and calculators have greatly reduced the need for multiplication by hand. 19. "Early electronic computers were generally programmed by being rewired, or via plugs and patch panels. 20. In the early 1950s, electronic computers were a novelty.