Dell Inspiron 1420 (Mid 2007) - Manual (Page 29)

About Your Computer
29
S - VIDEO T V- OUT CONNECTOR
U S B CONNECTORS
VIDEO CONNECTOR
Connects your computer to a TV. Also connects digital
audio-capable devices using the TV/digital audio
adapter cable.
Connect USB devices, such as a mouse, keyboard, or
printer.
Connects video devices, such as a monitor.