Part of what makes the ENIAC so different is that it had a different ... be configured to solve problems — sort of a giant vacuum tube FPGA, if you will. It used some internal representations ...

But ENIAC could do what it was supposed to. Filling up a 30 X 50 foot room, ENIAC was made of 17, 468 vacuum tubes, 70,000 resistors, and 10,000 capacitors -- not to mention all those lights and ...

ENIAC did not have a single moving mechanical part. Instead, it was a machine comprised of several units, featuring approximately 18,000 vacuum tubes, several miles of wiring, and 40 black eight ...

(The vacuum tube-powered ENIAC, for example, reportedly caused brownouts in Philadelphia whenever it was turned on.) Transistors also flipped on instantaneously, compared to sluggish vacuum tubes ...