The universal symbol is believed to have originated when the term 'On and Off' was replaced by numbers 1 and 0. The numbers were derived from the binary system, in which 1 stands for power and 0 indicates power off. The numbers were later merged to form the symbol.
When was power symbol invented?
Introduced in 1973, the power symbol may not be the most intuitive icon, but it actually has a very simple explanation. It's a combination of “1” and “0”, and is meant to convey that the same button turns a device on and off.
What is the symbol for power?
In physics, power (symbol: P) is how fast work is done or energy is given from one thing to another. In the SI system of measurement, power is measured in watts (symbol: W).
What is the meaning of power button?
The power button is, as the name implies, a switch that can be used to switch electrical appliances on and off. In computers, such as our Mini-PCs, the functionality is now limited to switching on.