A+ Core Certification Practice Questions

Mobile Devices Display

Home     Previous     Up     Next

Q2. Which of the following best describes the difference between a touchscreen display and a standard display?

A. A touchscreen adds an inverter to the display

B. A touchscreen adds a digitizer layer on top of the display

C. A touchscreen adds a backlight to the display

D. A touchscreen adds a plasma layer to the display

Correct Answer: B


A touchscreen adds a digitizer layer to the display. The digitizer detects the pressure of a touch. Inverters and backlights are found on LCD screens in laptops. Plasma displays popular in home big-screen TV systems, are made of small cells of ionized gas.

Home     Previous     Up     Next

Disclaimer: All Simulation Exams practice tests, study guides and/or material are neither sponsored by, nor endorsed by, nor affiliated with CompTIA® or any other company. All trademarks are trademarks of their respective owners and duly  acknowledged. A+™, Network+™, i-Net+™, Server+™,Security+™ are registered trade marks of CompTIA®. The practice tests material is a copyright of SimulationExams.com and the same is not approved or endorsed by respective certifying bodies. Thank-you for your interest in Simulation Exams. Please see read me file before you download, install, and/or use any software from SimulationExams.com For any information or questions regarding this Website, please e-mail webmaster at simulationexams.com