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 ...

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 ...

(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 ...