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In telecommunication, a standard test tone is a pure tone with a standardized level generally used for level alignment of single links and of links in tandem. [1]For standardized test signal levels and frequencies, see MIL-STD-188-100 for United States Department of Defense (DOD) use, and the Code of Federal Regulations Title 47, part 68 for other Government agencies.
They also allow users to access local content and to play video games with the included remote control or another game controller, or by using a mobile app remote control on another device. The device is available in two forms, the first being a set-top box , of which the current model is the Fire TV Cube with embedded Amazon Echo smart speaker ...
YouTube TV is an American Internet Protocol television service operated by YouTube, a subsidiary of Google, which in turn is a subsidiary of Alphabet Inc. Announced on February 28, 2017, [2] the virtual multichannel video programming distributor offers a selection of live linear channel feeds and on-demand content from more than 100 television networks (including affiliates of the Big Three ...
João da Nova, a Galician navigator serving the Portuguese Empire, was the first person to sight Saint Helena.. According to long-established tradition, the island was sighted on 21 May 1502 by the four ships of the 3rd Portuguese Armada, commanded by João da Nova, a Galician navigator in the service of Portugal, during his return voyage to Lisbon, who named it Santa Helena after Saint Helena ...
A robot with remote control programming has a preexisting set of commands that it will only perform if and when it receives a signal from a control source, typically a human being with remote control. It is perhaps more appropriate to view devices controlled primarily by human commands as falling in the discipline of automation rather than ...
The Soviets tried to use a TV remote control to detonate a bomb-laden Volkswagen Beetle; the TV remote failed to function. [135] A high-ranking Romanian defector, Ion Mihai Pacepa , also supported this claim, asserting that he had been the target of various assassination attempts by Soviet agents for many years.
Twitter, officially known as X since 2023, is a social networking service.It is one of the world's largest social media platforms and one of the most-visited websites. [4] [5] Users can share short text messages, images, and videos in short posts commonly known as "tweets" (officially "posts") and like other users' content. [6]
Quake is a first-person shooter game developed by id Software and published by GT Interactive.The first game in the Quake series, [13] it was originally released for MS-DOS, Microsoft Windows, and Linux in 1996, followed by Mac OS and Sega Saturn in 1997 and Nintendo 64 in 1998.