History of Educational Technology in Schools

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History of Educational Technology In Schools 1650- HORN-BOOK Wooden paddles with printed lessons; typically with an alphabet and religious verse to help children learn how to write 1870- Magic Lantern Printed images on glass frames are projected on the walls in darkened classrooms 1890- School Slate and Chalkboard In use for over 100 years, the school slate helped students work and rework problem. 1900- Pencil First mass produced in the late 19th century, pencils and papers soon replaced the school slate and gave a purpose to having an eraser 1905- Stereoscope Stereoscopes reinforced topics by showing kids images in eye-popping 3-D 1925- Film Projector Thomas Edison claimed that the film projector would soon render books to obsolete in schools: “Scholars will soon be instructed through the eye.” 1930- Overhead Projector Originally used for police I.D. work, their expansion into schools created an interactive classroom at a minimal cost. 1940- Ballpoint Pen Now a go-to writing instrument with million mnufctured and sold everyday -Mimeogarph Hand-cranked copies helped teachers spread homework to the entire class. 1950- Slide Rule The tool of choice for calculations 1958- Televisions The use of film for classroom instruction became obsolete with the arrivl of television set. 1960- Liquid paper 1970- Hand-held Calculator The calculator ws slow to be adopted by teachers s they feared it would undrmine time-tested basic skills such s counting on fingers. 1972- Scantron The Scntron mde it simple to grade multiple exams, therby saving teachers contless hours, it lso gve stumped students n excuse to drw pixelted artwork using the answer boxes. 1981 IBM INTRODUCES PC IBM releases the first Personal Computer. As computers become more affordable, computers impact educational technology because the
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