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Resistive touch screens are designed to allow items other than a finger to activate the touch, such as a stylus, a pen, or a gloved hand. They also don’t rely on the organic properties of a finger so users have more options to interact with the screen. The resistive touch screen is made up of several layers. When a user presses down on the touch screen, the top layer flexes and pushes back onto a layer behind it. This will effectively complete a circuit and tell the controller which part of the screen is being pressed. Capacitive Touch Screens consist of glass as the insulator coated in indium tin oxide and have a multi-touch ability that will activate with either a bare finger or a capacitive stylus. Typically, the human body is an electrical conductor. When it comes into contact with the Capacitive Touch Screen, the touch screen’s electrostatic field becomes distorted. This distortion is read by the touch screen controller. Depending on the program written, the display will respond accordingly.
