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Il y a 16 heures · e. The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of ...
Il y a 5 jours · Etymology A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times ...
Il y a 4 jours · Antennas. Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in ...
Il y a 1 jour · Africa. Africa is the world's second largest and second-most populous continent after Asia. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth 's land area and 6% of its total surface area. [7] With 1.4 billion people [1] [2] as of 2021, it accounts for about 18% of the world's human ...
Il y a 3 jours · Bruxelles, capitale belge, est situé à peu près au centre de la Belgique, à environ 110 km (68 mi) de la côte belge et à environ 180 km (110 mi) de la pointe sud de la Belgique. La ville est située au cœur du plateau brabançon, à environ 45 km au sud d' Anvers (Flandre) et à 50 km au nord de Charleroi (Wallonie).
Il y a 3 jours · Science is a rigorous, systematic endeavor that builds and organizes knowledge in the form of testable explanations and predictions about the world. Modern science is typically divided into three major branches: the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; the social sciences (e.g., economics, psychology, and sociology), which study individuals ...
Il y a 4 jours · Saint Colmcille. Ireland ( / ˈaɪərlənd / ⓘ IRE-lənd; Irish: Éire [ˈeːɾʲə] ⓘ; Ulster-Scots: Airlann [ˈɑːrlən]) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the second-largest island of ...
