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A digital textbook is a digital book or e-book intended to serve as the text for a class. Digital textbooks may also be known as e-textbooks or e-texts.Digital textbooks are a major component of technology-based education reform.
The text fell into disuse during the Cultural Revolution given the state's opposition to non-socialist ideologies. The classic, however, continued to circulate in other parts of the Chinese-speaking world with its inclusion in the Chinese Almanac (通勝) along with several other classics such as the Thousand Character Classic .
"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]
Animated books combine three elements: story, colored illustrations which include text, and "two or more animated illustrations with their movement mechanisms working between a doubled page". [2] In 1938, Julian Wehr 's animations for children's books were patented as "moving illustrations" that move the picture up and down and horizontally at ...
The Diagnostic and Statistical Manual of Mental Disorders (DSM; latest edition: DSM-5-TR, published in March 2022) [1] is a publication by the American Psychiatric Association (APA) for the classification of mental disorders using a common language and standard criteria. It is an internationally accepted manual on the diagnosis and treatment of ...
[2] Physicist Julius Edgar Lilienfeld proposed the concept of a field-effect transistor (FET) in 1925, [ 3 ] but it was not possible to construct a working device at that time. [ 4 ] The first working device was a point-contact transistor invented in 1947 by physicists John Bardeen , Walter Brattain , and William Shockley at Bell Labs who ...
Themes and styles from Il pastor fido were adapted endlessly by German artists, including Opitz, who wrote several poems based on Guarini's text, and Schütz himself, whose settings of a handful of passages appeared in his 1611 book of Italian madrigals. Emperors Ferdinand III and Leopold I were great admirers of Italian culture and made ...
Readily visible alterations of the skin surface have been recognised since the dawn of history. Among the first to take an interest in skin diseases were the Mesopotamian peoples, who sought to understand the reasons for these problems, often resorting to explanations rooted in religion, astrology and divination, and were the first to observe and define various dermatopathies.