Definition
A computer port is a physical interface that connects a peripheral device to a computer. They are sockets or slots on the back, front or side of the system unit into which devices are connected. We often use:
- PS/2 port to connect keyboard and mouse
- Ethernet port for network
- Serial port for dial-up modem
- LPT 1 printer port for printer
- Speaker’s port
- Line in port
- Microphone port
- Game or joystick port
- VGA (Video Graphics Adapter) port for connecting the monitor
- RJ45 port for connection to an Ethernet network
- RJ14 for connection to the Internet via phone line
- USB port for connecting USB devices like Flash drives, printers, keyboards and mouse
- Serial ports for connecting serial devices like PDAs
- Parallel port connecting parallel devices like printers
- Fire wire is high performance serial bus, for connecting devices to your personal computer
