By now you’ve seen that I’ve met Adam Osbourne.
My first “desktop” computer had no ROM. We had to key in the instructions so it could read the paper tape in the teletype machine to load the BASIC interpreter.
THAT’S BOOTING, BABY!
Yes, I go way, way back. Not to Eniac, but close.
I remember a Fax you would put the phone handle in one end and a machine something like this
http://qph.is.quoracdn.net/main-qimg-f2ff7b7f9564666b19e636ef7871c2c4?convert_to_webp=true
I also recall punch cards for computers. I feel so old but I’m not.