Technology by Letter: U

Answer these questions from the world of tech. The answers all start with U.

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Last updated: September 13, 2018

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Hint	Answer
Camera add-on to block shorter-than-visible light	UV filter
Computer connection standard	USB
Web address	URL
Makes pictures of unborn babies	Ultrasound
Train with only one type of cargo	Unit train
Family of computer operating systems	Unix
Open-source computer operating system	Ubuntu
Passage that holds lines for power, water, etc.	Utilidor
Radio band, known for analog TV	Ultra-high frequency (UHF)
Cellular system for mobile phones	UMTS

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