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The concepts of open access and open source support the idea of open textbooks, digital textbooks that are free (gratis) and easy to distribute, modify and update (libre). Schools, teachers or professors may design their own open textbooks by gathering open access scholarly articles or other open access resources into one text or one curriculum.
A DAISY player and audio book from Plextor. Digital accessible information system (DAISY) is a technical standard for digital audiobooks, periodicals, and computerized text.. DAISY is designed to be a complete audio substitute for print material and is specifically designed for use by people with print disabilities, including blindness, impaired vision, and dyslex
The following list is meant to help you with your own research, by offering links to respectable information sources on the web, available free of charge.Inclusion on the list doesn't automatically mean the absolute truth is on these websites, so always be critical and compare information between different sources.
Open educational resources (OER) [1] are teaching, learning, and research materials intentionally created and licensed to be free for the end user to own, share, and in most cases, modify. [2] [3] The term "OER" describes publicly accessible materials and resources for any user to use, re-mix, improve, and redistribute under some licenses. [4]
2 (1 in the 5th, 6th and 7th grades) classes of History; 2 (1 in the 5th, 6th and 7th grades) classes of Geography; 2 (1 in the 5th and 8th grades) classes of Biology; 1 class of Informatics and ICT (optional); 2-3 (4 if you are in an intensive class) classes of a main foreign language, usually English;
The development of lossy audio compression file formats such as MP3 could take 30 MB for a typical 3-minute song and bring it down to 3 MB without any serious loss of quality. [8] Lossless FLAC files can be up to six times larger than an MP3 while, [ 9 ] in comparison, the same song might require 30–40 megabytes of storage on a CD. [ 7 ]
"Triple-product" business model of digital media platforms. [7]Digital media platforms like YouTube work through a triple-product business model in which platforms provide information and entertainment (infotainment) to the public often at no cost, while simultaneously capturing their attention, and also collecting user data to sell to advertisers. [7]
Digital clock.The time shown by the digits on the face at any instant is digital data. The actual precise time is analog data. Digital data, in information theory and information systems, is information represented as a string of discrete symbols, each of which can take on one of only a finite number of values from some alphabet, such as letters or digits.