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首页> 外文期刊>Nepal Journal of Epidemiology >Evolution of technology in teaching: Blackboard and beyond in Medical Education
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Evolution of technology in teaching: Blackboard and beyond in Medical Education

机译：教学技术的发展：医学教育中的黑板及其他

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Teaching and learning - the passing of knowledge from one generation to another - has been in existence from the earliest times of human civilization. It began in 1801, with a large piece of slate hung on the wall in a school in Scotland to provide information to a large audience at one time. In the US by mid-19th century, every class room had a blackboard to teach students. The modern version of the blackboard is either green or brown board. This was introduced in late 1960s. The whiteboards came into use during the late 1980s. Projected aids have been used since 1420. The various devices used are the epidiascope, slide projector, overhead projector for transparencies and the micro projector. An instrument to project images from a horizontal surface onto a vertical screen was invented in the 1870s. By the 1960s, transparencies were in use in classrooms.The ‘Hyalotype’,?a transparent image of a photograph using actual black and white photographs on a glass slide that could be projected was invented in 1851. By 1916, the German company Agfa started producing colored lantern slides. The first version of PowerPoint was released by Microsoft in the year 1990.Cell phones, palmtops, and handheld computers; tablets, laptops, and media players are included under mobile learning devices. With the evolution of technology, students achieved competence and interested in interactive learning. The education industry has moved from distance learning to e-learning and finally to m-learning as knowledge expanded exponentially and the demand escalated.While using teaching aids with advanced technology, we must not forget the lessons from the past, striking a balance between embracing new methods of teaching and learning while upholding the timeless principles of education. The newer educational technology can be part of a comprehensive system for lifelong education.
机译：教学和学习-知识从一代传给另一一代-从人类文明的最早时代就已经存在。它始于1801年，当时苏格兰一所学校的墙上挂着一块大板岩，一次可以向广大听众提供信息。到19世纪中叶，在美国，每个教室都有一块黑板来教学生。黑板的现代版本是绿色或棕色的木板。这是在1960年代后期引入的。白板在1980年代后期投入使用。自1420年以来，就一直使用投影辅助设备。所使用的各种设备包括：伸缩镜，幻灯片投影仪，用于透明胶片的高架投影仪和微型投影仪。 1870年代发明了一种将图像从水平表面投射到垂直屏幕上的仪器。到1960年代，教室里都使用了透明胶片。“透明型”（透明的照片图片是使用可以投影的玻璃幻灯片上的实际黑白照片）于1851年发明。到1916年，德国爱克发公司成立生产彩色灯笼滑梯。 PowerPoint的第一版由Microsoft于1990年发布。手机，掌上电脑和掌上电脑;平板电脑，笔记本电脑和媒体播放器包含在移动学习设备中。随着技术的发展，学生获得了能力并对交互式学习产生了兴趣。随着知识的成倍增长和需求的增长，教育行业已经从远程学习过渡到了在线学习，最终发展到了移动学习。尽管使用先进技术的教具，我们也不能忘记过去的经验教训，在拥抱之间取得平衡新的教学方法，同时坚持永恒的教育原则。较新的教育技术可以成为终身教育综合系统的一部分。

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