Reason behind symbol of Power button.

Reason behind power button symbol :

 The reason why power button on our laptops has that particular symbol is :

Power on is represented by the below image (binary digit 1)

Power off is represented by the below symbol (binary digit 0)

Since Power button is used for both on and off (stand by), power button got that particular symbol.
Location: Hyderabad, Telangana, India

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