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Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16 The central processing unit (CPU) of a computer is
The digital revolution became truly global in this time as well - after revolutionizing society in the developed world in the 1990s, the digital revolution spread to the masses in the developing world in the 2000s. By 2000, a majority of U.S. households had at least one personal computer and internet access the following year. [41]
Year of commercial implementation 0G SN, SN+ 2B/s: 50-150MHz: 1946 0.5G SI 200-350MHz: 1958 ... IS-95 was the first ever CDMA-based digital cellular technology.
Digital logic as we know it was the brain-child of George Boole in the mid-19th century. In an 1886 letter, Charles Sanders Peirce described how logical operations could be carried out by electrical switching circuits. [2] Eventually, vacuum tubes replaced relays for logic operations.
The antecedent to 1G technology is the mobile radio telephone (i.e. "0G"), where portable phones would connect to a centralised operator. 1G refers to the very first generation of cellular networks. [2] Cellular technology employ a network of cells throughout a geographical area using low-power radio transmitters. [1]
Later that year, Toy Story 2 was the first movie to be entirely created, edited, and distributed digitally, with more theaters installing digital projectors for its release. DLP Cinema was the first commercial digital cinema technology and is the leading digital cinema technology with approximately 85% market share worldwide as of December 2011.
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Since the creation of the first digital computer in the early 1940s the price of digital computers has dropped considerably, which has made them key pieces to control systems because they are easy to configure and reconfigure through software, can scale to the limits of the memory or storage space without extra cost, parameters of the program ...