IEEE Port (a.k.a. FireWire)

located on front and back

used to connect a digital video camera

DualLink DVI (Digital Visual Interface)

female, 24-pin

located on back

usually white

used to connect a monitor

eSATA (external Serial Advanced Technology Attachment)

female, 7-pin

located on back

usually red

connects an external storage device (e.g., hard drive)

Game Port

female, 15-pin (in two rows)

located on back

usually yellow/gold

DB connector

used to connect a joystick or MIDI device

Parallel Port

female, 25-pin

located on back

usually pink

DB connector

used to connect a printer

PS/2 Ports

female, 6-pin

located on back

usually green (mouse) and purple (keyboard)

mini-DIN connector

used to connect a legacy mouse and keyboard

Audio Ports

located on front and/or back

usually green (microphone), pink (headphones) and blue (line-in)

1/8-inch audio jack

used to connect audio devices

RJ-11 Port

located on back

two-part ports accepts telephone wire in and out

used to connect an internal modem to a phone line (in) and a telephone (out)

RJ-45

located on back

used to connect computer to an Ethernet network

Serial Port

male, 9-pin

located on back

usually green or blue/green

DB connector

used to connect legacy mouse, external modem

USB-A (Universal Serial Bus)

located on back and front

may connect a variety of devices including keyboard, mouse, printer, scanner, camera, etc.

VGA Port (Video Graphics Array)

female, 15-pin in three rows

located on back

usually blue

DB connector

used to connect a monitor