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In prehistoric times, mostly in Asia or Europe, early humans used cave drawings. There is no exact knowledge of the reason for these paintings but it is predicted that they could be for education. The date is actually 30.000 BC -
The first paper was made in China in 105. The official evidence of papermaking was linked with Cai Lun -
Manuscript Transcription started in 382. Before the invention of computer everything had to be written by hand. -
Slate boards were in use in India firstly. -
Printing Press was invented by Johannes Gutenberg. Before the printing press, all texts had to be handwritten or done by typographic hand-printing. This invention drastically reduced the cost to reproduce printed material. -
The chalkboard (also known as blackboard) is one of the biggest inventions in terms of educational technology. Blackboards were really effective in education, thus in some countries, it is still used. -
Beginning of the broadcasting era, The radio allowed organizations to send lessons to schools via a radio station. New York City’s Board of Education was the first to do so and over the next couple of decades, lessons through the airwaves became the first type of distance learning. -
In the beginning, overhead projectors were used for military purposes, but overhead projectors quickly spread to schools. -
One of the first copy machines, the mimeograph allowed teachers and school staff to print copies of class materials. -
The first videotape demo was in California. As time passed, this tech allowed schools to offer visual and audio learning to students. -
After using radios in education, Televisions were developed. Thus the learners did not just hear the lesson they could see it as well. -
There were initial concerns however as teachers were slow to adopt them for fear they would undermine the learning of basic skills. -
Personal computers were a step past the typewriter. Along with the Plato computer, they made a splash in the education market too. It was used as a learning instrument as well as to compute assignments. -
Before its introduction to classrooms, it was used by NASA, the military, and other governmental agencies. Google was created in 1999 also. -
They use a touch-sensitive screen, projector, and computer. Much like the chalkboard and overhead projector that came before. Today’s models make them work easier. -
YouTube is increasingly being used for short educational clips that can be downloaded and integrated into online courses. -
iPads are a relatively new form of technology that enhance student learning. -
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https://www.gradschools.com/degree-guide/technology-in-the-classroom-timeline-curriculum-planning
https://study.com/learn/lesson/technology-classroom-history-evolution-importance.html
https://www.slideshare.net/fvsandoval/history-of-educational-technology
https://www.youtube.com/watch?v=zS-2uruw5qw&ab_channel=ExplainLikeI%E2%80%99mFive -