They are road signs for your daily rituals-the instantly recognized symbols and icons you press, click, and ogle countless times a day when you interact with your computer. But how much do you know about their origins?
Power
It’s plastered on T-shirts; it tells you which button will start your Prius; it’s even been used on NYC condom wrappers. As far back back as WWII engineers used the binary system to label individual power buttons, toggles and rotary switches: a 1 meant “on,” and a 0 meant off. In 1973, the International Electrotechnical Commission vaguely codified a broken circle with a line inside it as “standby power state,” and sticks to that story even now. The Institute of Electrical and Electronics Engineers, however, decided that was too vague, and altered the definition to simply mean power. Hell yeah, IEEE. Way to take a stand.
Full story: The Secret Histories of Those @#$%ing Computer Symbol – Gizmodo