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Touch Screen Technology

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It’s pretty safe believe everyone today, and if not everyone- majority of people, have used or at least seen some sort of touch screen technology. Whether it is via ones smartphone, GPS, or any kiosk, touch screen technology has been on the rise since the early 1960’s. According to “New Interfaces at the Touch of a Fingertip”, “Touch-screen technology has been the subject of research since the early 1970s” (Nichols). One may need to apply pressure to their device’s screen to activate a specific command, or instead, use anything that holds an electric charge such as human skin. Touch technology has become very prevalent in today’s world and this paper will start by discussing the history behind touch technology, followed by further examining how two common touch technologies, capacitive and resistive, work as well as the advantages and disadvantages for each. Before diving into the technicality of how they work, it’s important to take a look at the history and evolution of its making. The timeline published on NPR by Nicole Cohen, “A History Of Touch-Screen Technology” allows one to really see the growth over the years of the development to such technology. Air traffic control technology in 1965 by E.A Johnson is thought to have been the first touch screen technology. A couple years later in 1965, PLATO IV terminal was used in educational classrooms at the University of Illinois, which allowed students to answer questions via this touch screen. We see this

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