premise: Touchscreens are used in telephones.
hypothesis: A ringer box is a telephone signaling device , similar to a bell box . A stylus , plural styli or styluses , is a writing utensil or a small tool for some other form of marking or shaping , for example , in pottery . Touchscreen . Touchscreens are common in devices such as game consoles , personal computers , tablet computers , electronic voting machines , point of sale systems , and smartphones . Touchscreens are found in the medical field and in heavy industry , as well as for automated teller machines ( ATMs ) , and kiosks such as museum displays or room automation , where keyboard and mouse systems do not allow a suitably intuitive , rapid , or accurate interaction by the user with the display 's content .