Computer Ports and Connectors A port is a connector at the back or side of a computer where you plug in an external device such as a printer, keyboard, scannerkeyboard, scannerThe first image scanner developed for use with a computer was a drum scanner. It was built in 1957 at the US National Bureau of Standards by a team led by Russell A. Kirsch. The first image ever scanned on this machine was a 5 cm square photograph of Kirsch's then-three-month-old son, Walden.
› wiki › Image_scannerImage scanner - Wikipedia, mouse, or modem. This connection allows instructions and data to flow between the computer and the device.Jan 20, 2021