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4 天前 · Website. www .gnu .org /licenses /gpl .html. The GNU General Public License ( GNU GPL or simply GPL) is a series of widely used free software licenses, or copyleft, that guarantee end users the four freedoms to run, study, share, and modify the software. [7]
4 天前 · List of films in the public domain in the United States. Most films are subject to copyright, but those listed here are believed to be in the public domain in the United States. This means that no government, organization, or individual owns any copyright over the work, and as such it is common property. [1]
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1 天前 · 802.11ah operates in sub-gigahertz unlicensed bands. Each world region supports different sub-bands, and the channels number depends on the starting frequency on the sub-band it belongs to. Therefore there is no global channels numbering plan, and the channels numbers are incompatible between world regions (and even between sub-bands ...
21 小時前 · Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...
4 天前 · IEEE 802.11 is part of the IEEE 802 set of local area network (LAN) technical standards, and specifies the set of medium access control (MAC) and physical layer (PHY) protocols for implementing wireless local area network (WLAN) computer communication. The standard and amendments provide the basis for wireless network products using the Wi-Fi ...
5 天前 · The Internet of things (IoT) describes devices with sensors, processing ability, software and other technologies that connect and exchange data with other devices and systems over the Internet or other communications networks.[1][2][3][4][5] The Internet of things encompasses electronics, communication, and computer science engineering ...
2 天前 · A city pub, the World's End, Camden Town, London. The Ale-House Door (painting of c. 1790 by Henry Singleton) A pub (short for public house) is a drinking establishment licensed to serve alcoholic drinks for consumption on the premises. The term first appeared in the late 17th century, to differentiate private houses from those open to the ...
