CompTIA
220-802 · Question #311
220-802 Question #311: Real Exam Question with Answer & Explanation
The correct answer is D: Gyroscope. A gyroscope detects rotational orientation changes and triggers screen rotation when the user physically turns their phone.
Question
Which of the following mobile phone features redirects the screen orientation as the user turns their phone?
Options
- AGPS
- BGeotracking
- CLocator application
- DGyroscope
Explanation
A gyroscope detects rotational orientation changes and triggers screen rotation when the user physically turns their phone.
Common mistakes.
- A. GPS uses satellite signals to determine geographic location and has no function in detecting device rotation or managing screen orientation.
- B. Geotracking is a software-level feature that records or reports a device's geographic position over time and does not interact with screen rotation.
- C. A locator application is a software tool that uses GPS or network data to determine location; it is not a hardware sensor and does not control screen orientation.
Concept tested. Gyroscope sensor for mobile screen orientation
Reference. https://developer.android.com/develop/sensors-and-location/sensors/sensors_motion
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