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Ether (ETH) is the cryptocurrency generated in accordance with the Ethereum protocol as a reward to validators in a proof-of-stake system for adding blocks to the blockchain. Ether is represented in the state as an unsigned integer associated with each account, this being the account's ETH balance denominated in wei (10 18 wei = 1 ether). At ...
By 1970, a calculator could be made using just a few chips of low power consumption, allowing portable models powered from rechargeable batteries. The first handheld calculator was a 1967 prototype called Cal Tech, whose development was led by Jack Kilby at Texas Instruments in a research project to produce a portable calculator. It could add ...
Buterin was born in Kolomna, Russia, to a Russian family. [5] [6] His father, Dmitry, was a computer scientist. [5]He and his parents lived in the area until the age of six, when his parents emigrated to Canada in search of better employment opportunities. [7]
The Internet checksum, [1] [2] also called the IPv4 header checksum is a checksum used in version 4 of the Internet Protocol (IPv4) to detect corruption in the header of IPv4 packets. It is carried in the IPv4 packet header , and represents the 16-bit result of the summation of the header words.
The Million Dollar Homepage is a website conceived in 2005 by Alex Tew, a student from Wiltshire, England, to raise money for his university education.The home page consists of a million pixels arranged in a 1000 × 1000 pixel grid; the image-based links on it were sold for $1 per pixel in 10 × 10 blocks.
RadioShack (formerly written as Radio Shack) is an American electronics retailer that was established in 1921 as an amateur radio mail-order business. Its original parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components sold in retail stores.
The Alliance for Affordable Internet (A4AI) was launched in October 2013 and Intel is part of the coalition of public and private organizations that also includes Facebook, Google, and Microsoft. Led by Sir Tim Berners-Lee , the A4AI seeks to make Internet access more affordable so that access is broadened in the developing world, where only 31 ...
Total telecom revenues reached more than $17.8 billion in 2013, [101] and while only one in three retail stores in Argentina accepted online purchases in 2013, e-commerce reached US$4.5 billion in sales. [102] Trade in services remained in deficit, however, with US$15 billion in service exports in 2013 and US$19 billion in imports. [19]