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 —
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
Glossary
23
