Port
A port is an interface or connection point between a computer and an internal or external device. External ports may let you connect a mouse, printer, modem, or keyboard to a computer. Internal ports can connect DVD drives or hard drives. A computer port has many functions, and they include:
- Parallel ports: They usually connect printers.
- Serial ports: These are common for connecting modems and mice.
- Universal serial bus (USB) ports: Individuals use them to connect many devices, such as printers, USB drives, keyboards, hard disks, and mobile devices.
- Small computer system interface ports: They can connect printers and at least seven devices to a computer.
