What does the symbol on a power button mean? How did it come about?
the power symbol was born: a large circle (0) interrupted by a small vertical line (1). This language-agnostic design was ...
Daily Express28d
Viewers are only just realising what the symbols on their TV remote mean
They wrote: "Ever wonder what those symbols on power switches and buttons mean? (Don't be embarrassed, many people do!)". It turns out it is based on the binary number system. The line running ...