Dell 430-3312 User Guide - Page 23

Glossary A AC - alternating current - The form of electricity that powers your computer when you plug the AC adapter power cable in to an electrical outlet. D DisplayPort - An interface standard of the Video Electronics Standards Association (VESA) used for digital displays. docking device - Provides port replication, cable management, and security features to adapt your laptop to a desktop workspace. DVI - digital video interface - A standard for digital transmission between a computer and a digital video display. E eSATA - External Serial Advanced Technology Attachment - An interface for external Serial ATA devices. H HDMI - High-Definition Multimedia Interface - An interface of 19 separate, uncompressed audio and video signals used for high definition TV and audio. I I/O - input/output - An operation or device that enters and extracts data from your computer. Keyboards and printers are I/O devices. P parallel connector - An I/O port often used to connect a parallel printer to your computer. Also referred to as an LPT port. PS/2 - personal system/2 - A type of connector for attaching a PS/2-compatible keyboard, mouse, or keypad. Glossary 23