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Cave paintings are a type of parietal art, found on the wall or ceilings of caves. The most common subjects in cave paintings are large wild animals, such as bison, horses, aurochs, and deer, and tracings of human hands as well as abstract patterns
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Paper made out of plant like fibres was invented by the Chinese Cai Lun, who in 2nd century China, mixed textile fibers from the bark of the mulberry in water and produced sheets of paper from that.
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Printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink. In Germany, around 1440, goldsmith Johannes Gutenberg invented the printing press, which started the Printing Revolution.
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A blackboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate, known, when used for this purpose, as chalk.
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An overhead projector, like a film or slide projector, uses light to project an enlarged image on a screen. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film (also known as 'foils') with the image to be projected either printed or hand-written/drawn.
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The Information Age (also known as the Computer Age, Digital Age, or New Media Age) is a historical period that began in the mid-20th century, characterized by a rapid epochal shift from the traditional industry established by the Industrial Revolution to an economy primarily based upon information technology.
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As computers have become more accessible, inexpensive, and powerful, the demand for this technology has increased, leading to more frequent use of computer resources within classes, and a decrease in the student-to-computer ratio within schools.
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In 1991, SMART Technologies introduced their first interactive whiteboard. The first board was simply an LCD screen attached to a computer. It was designed to function as a large display screen.
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Digital technologies increasingly enable and encourage social networking and interactive,
collaborative engagements, including those implicating and impacting learning. -
A smartphone is a mobile device that combines cellular and mobile computing functions into one unit.
