(1) In dot-matrix printers
, the devices
that press on the ink ribbon to make dots
on the paper. Printers
are classified by how many pins they have on the printer head. The more pins a printer has, the higher-quality type it is capable of producing. Dot-matrix printers can have anywhere from 9 to 24 pins. A 24-pin printer can produce letter-quality print.
(2) A male lead on a connector.
(3) Silicon chips have an array of thin metal feet (pins) on their underside that enables them to be attached to a circuit board. The pins are very delicate and easily bent. If they are damaged, the chip will not sit correctly and will malfunction.