Printed circuit boards originated from electrical connection systems developed in the 1850s. Metal strips or rods were originally used to connect large electrical components mounted on wooden bases. Over time, the metal strips were replaced with wires connected to the

Many different appliances, from dryers to vacuum cleaners, use electricity as an energy source. These electrical devices transform the electrical current they receive through a wall outlet and convert it into another form of energy. For example, your toaster converts

A printed motherboard is a key part in both desktops and laptops that connects all the other parts into a single whole. The processor, hard drives, RAM, video cards, sound cards, optical drives, and other components are connected to the