Binary Graffiti Infotech Private Limited

The AC adapter, also called a power adapter or laptop charger is used to provide sufficient power to operate the laptop for extended periods and to recharge the laptop battery.

Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires and typically use a print head that moves back and forth or in an up-and-down motion on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper.