Electronics Dictionary

Electronics Dictionary - Category U

 
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UDP - User Datagram Protocol.

UHF - Ultra High Frequency. Operates at 300 to 3000 megacycles.

Ultracapacitor - A battery like device that stores and releases energy quickly. Soon to be in electric cars that can travel up to 500 miles and recharge in 5 minutes, so claims EEstors Technology.

URL - Uniform Resource Locator.

UPS - Uninterruptible Power Supply. In a nutshell, a surge protector with a battery that gives you a small amount of time to shut the computer down after a power failure. There are some expensive industrial use UPS that will give hours of up time after a power failure. See surge protector for an article about UPS.

User Friendly - Anything that is simple and easy to understand.

UNIX - A type of operating system developed by Bell Laboratories.

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