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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

UL
Short for Underwriters' Laboratories, which is a standards and testing agency financed by the insurance industry. The purpose of UL testing is to ensure fire safety of electrical equipment. A device which has been tested and passed by UL will have the familiar round label of certification. UL approval has nothing to do with the audio quality or the functionality of a device. In some states UL approval is a requirement in order to sell equipment that uses electricity.

U

U-Boat

Umatic (1610/1630)

UART

UDF - Universal Disc Format

UDMA

Ultra High Frequency

UI

Ukelele

UL

Ultra160 SCSI

Ultra2 SCSI

Ultra2 Wide SCSI

Ultra ATA

Ultra SCSI

Ultrasonic

Ultra Wide SCSI

Una Corda

Unbalanced

Unburst

Uncolored

Uncompressed

Undo

Unformatted Capacity

Uni-Vibe

Unidirectional

Uninstall

Uninstaller

Uninterruptible Power Supply

Unison

Unity Gain

Universal Binary

UNIX

Unobtanium

UPC Barcode

Update

Upgrade

Upload

UPS

Upsampling

URL

USB

USB 2

USB Hub

USB Key

User Data

User Friendly

User Interface

User Preset

Utility

UV-22

     
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