Point out the correct statement.
A)mems is a class of very small sensor or actuator devices where small mechanical systems are driven by electricity to indicate a position
B)the incorporation of low-cost geo-sensors in the form of gps chips into mobile devices opens the mobile user to a whole range of services based on the client's location
C)the iphone uses the proximity sensor to turn the screen off when a user puts the phone to his face
D)all of the mentioned

Question

Quizplus · Accepted Answer

All statements are correct. A) MEMS (Micro-Electro-Mechanical Systems) are indeed small devices that combine electrical and mechanical components. B) GPS chips in mobile devices enable location-based services. C) The iPhone uses a proximity sensor to turn off the screen when it's close to a user's face to prevent accidental touches.

Point Out the Correct Statement