1. Data Vehicle Disc
   Digital Video Disc
2. Digital Vocoder Disc

The DVD, or Digital Video Disc, was the premiere optical medium for storing movies until the arrival of Blu-ray.

1. Video Home System
   Video Housing Storage
2. Veritable HiRes Standard

VHS stands for Video Home System. And that's exactly what it was until DVDs took over in the late '90s.

1. 8-Track
   Betamax
2. Compact disc

Betamax lost to VHS despite being a higher-quality format; VHS was more readily available and cheaper.

1. 6
   8
2. 9

Dolby 7.1 is comprised of eight sound channels -- seven for the surround audio and one channel for the subwoofer. That's what the .1 stands for.

1. 2
   5
2. 7

The .2 designates two subwoofers. That's twice as much bass as your average setup.

1. Dolby
   Laserdisc
2. THX

George Lucas' first major film, "THX 1138," was the basis for the high-quality audio standard today known as THX.

1. Blu-ray uses a blue laser
   Blue-ray was already copyrighted
2. The Blu-ray logo is a blue stingray

Blu-ray is so-named due to the blue laser used to read the high-capacity Blu-ray discs.

1. SDVD
   HD-DVD
2. Laserdisc

Blu-ray and HD-DVD were on the market side-by-side for a couple years, but eventually market support sided with Blu-ray.

1. High Definition DVD
   Hyper Density DVD
2. High Delivery DVD

The HD-DVD, aka the High Definition DVD, is now a format war loser much like Betamax.

1. Covalent drive
   Compact drive
2. Compact disc

The CD is the compact disc, of course.

1. 3G
   4G
2. Wi-Fi

802.11 is the standard used in wireless Internet, aka Wi-Fi. Today's wireless devices primarily use the 802.11g and 802.11n standards.

1. progressive
   passive
2. pixels

The "p" in 720p and 1080p stands for progressive, which means each line of the image is scanned progressively. Progressive displays are superior to interlaced displays, which resolve every other line of the image and take two passes to complete the picture.

1. 720p
   1080p
2. 1600p

1080p. While display technology can easily exceed resolutions of 1920x1080 pixels (1080p), it was established as the premiere HD resolution for televisions.

1. VGA
   DVI
2. DisplayPort

VGA, or Video Graphics Array, is an outdated analog video standard now surpassed by superior digital options like DVI and HDMI.

1. High Density Media Interchangeable
   High Definition Media Interface
2. Hard Design Multimedia Input

HDMI, or High Definition Media Interface, can transfer uncompressed HD video and audio.

1. DVI
   VGA
2. S-Video

All three of these formats are video-only, but DVI is the only one that's digital, rather than analog. DVI is another popular interface for computer systems.

1. Laser Crystal Diode
   Liquid Crystal Display
2. Light Crystal Diode

An LCD is a Liquid Crystal Display, which modulates light to display an image.

1. Organic Light-Emitting Diode
   Ornamental Laser-Emitting Disc
2. Organic Light-Emulsion Device

OLEDs are organic light-emitting diodes that don't need backlighting, and thus can be used to create thinner displays with superior contrast.

1. Device Service Linkup
   Digital Subscriber Line
2. Digital Subscription Link

DSL, or a Digital Subscriber Line, is a broadband Internet service run to your home from an Internet Service Provider.

1. Source Transfer Box
   Source Terminal Box
2. Set Top Box

STB, or set-top box, is a general term used to describe a device that connects to a TV and provides some form of content.