ports & external devices
Ports are the facility usually on the side of the computer, which allows you to connect to external devices such as keyboards, monitors and printers. They are connected by a wire and are a very important hardware (like cards) to add additional functions to the computer.
References: http://en.wikipedia.org/wiki/Computer_port_(hardware)
http://compnetworking.about.com/od/basiccomputerarchitecture/g/computer-ports.htm
References: http://en.wikipedia.org/wiki/Computer_port_(hardware)
http://compnetworking.about.com/od/basiccomputerarchitecture/g/computer-ports.htm
Some external ports and devices that are essential to the computer are: