10. 다음 글의 주제로 가장 적절한 것은?
The e-book applications available on tablet computers employ touchscreen technology. Some touchscreens feature a glass panel covering two electronically-charged metallic surfaces lying face-to-face. When the screen is touched, the two metallic surfaces feel the pressure and make contact. This pressure sends an electrical signal to the computer, which translates the touch into a command. This version of the touchscreen is known as a resistive screen because the screen reacts to pressure from the finger. Other tablet computers feature a single electrified metallic layer under the glass panel. When the user touches the screen, some of the current passes through the glass into the user’s finger. When the charge is transferred, the computer interprets the loss in power as a command and carries out the function the user desires. This type of screen is known as a capacitive screen.
- 1how users learn new technology
- 2how e-books work on tablet computers
- 3how touchscreen technology works
- 4how touchscreens have evolved
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