The power symbol, which can still be seen on nearly all modern PCs and laptops, originated in the 1950s. At the time, devices ...

When the switch is tuned off, the circuit is open so the electrical energy stops flowing. Circuit symbols are really useful when designing the electrical circuits inside the things we use.

The hugely anticipated next-gen version of Nintendo's handheld console is expected to be released ahead of this year's ...

The A symbol stands for the Smart Motor Generator (SMG) which brings a quieter engine start without the need for a separate conventional electric starter. A is the switch which enables / disabled ...