I have no idea what you're talking about. Guess that makes me old as dirt.
I never had one of the whistles, but it's famous in this context:
no sanitize
https://medium.com/everything-80s/how-capn-crunch-cereal-led-to-apple-computers-c1ee218fef18
@BrentSullivan @bluesbaby
Lol, I started typing on paper tape that was then fed into the modem during a very brief connection to receive the printout, back when computer time was billed by the second.
Punch cards were such a marvelous step up, as you could proofread the line of characters printed at the top of the card, and you could re-type one card if you put an "O" instead of a "0" instead of waiting for your printout to find out you had a typo and then re-typing the entire paper tape.
@AlphaCentauri @bluesbaby
We did paper tape programming in junior high