Dell Inspiron 1427 (Early 2009) - Manual (Page 15)

Using Your Inspiron Laptop
13
1. Optical drive: You can input/output data for
different purposes, such as burning CDs or playing
DVDs.
2. USB connectors: Connect to USB devices,
such as a mouse, keyboard, printer, external
device, or an MP3 player.
3. AC adapter connector: Connects to the
AC adapter to power on the computer and charge
the battery when the computer is not in use.