The Sumerians emerged as one of the earliest urban societies in the world in Southern Mesopotamia more than 5000 years ago. It is of ironic significance that today, another kind of tablet is one of the latest technologies that is used in teaching/learning. What is preserved, as the earliest writings are those that were carved on stone tablets. Earliest writing may have been on soft surfaces such as the ground surface or sand, and the equipment originally, fingers and then sticks. Hence, the development of a script and writing can be considered the first вЂteaching toolвЂ™. The first primordial step in developing a teaching tool was the advent of writing. Teaching in primitive societies occurred through the oral tradition and memory retention. Teaching and learning, which is the passing of knowledge from one generation to another has been in existence from the earliest times of human civilization. The newer educational technology can be part of a comprehensive system for lifelong education. 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 education industry has moved from distance learning to e-learning and finally to m-learning as knowledge expanded exponentially and the demand escalated. With the evolution of technology, students achieved competence and interested in interactive learning. The first version of PowerPoint was released by Microsoft in the year 1990.Д¬ell phones, palmtops, and handheld computers tablets, laptops, and media players are included under mobile learning devices. By 1916, the German company Agfa started producing colored lantern slides. The вЂHyalotypeвЂ™, 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 the 1960s, transparencies were in use in classrooms. An instrument to project images from a horizontal surface onto a vertical screen was invented in the 1870s. The various devices used are the epidiascope, slide projector, overhead projector for transparencies and the micro projector. Projected aids have been used since 1420.

The whiteboards came into use during the late 1980s. The modern version of the blackboard is either green or brown board. In the US by mid-19th century, every class room had a blackboard to teach students.

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. The passing of knowledge from one generation to another - has been in existence from the earliest times of human civilization.

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