Question

Role of ports and connectors in computer system

Answer 1

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, scanner, mouse, or modem. This connection allows instructions and data to flow between the computer and the device. These computer ports are also commonly referred to as the Input/Output ports (I/O ports).

Most Connectors are Polarized

Most connectors are polarized, permitting the cable to be plugged in only in one correct direction. The keyboard and mouse use "PS2" connectors which are color-coded: The purple connector is for the keyboard while the green connector is for the mouse.