#1
Which of the following is NOT a common mobile device sensor?
Thermometer
ExplanationThermometer is not a common mobile device sensor; others include accelerometer, gyroscope, and proximity sensor.
#2
What does NFC stand for in the context of mobile devices?
Near Field Communication
ExplanationNFC stands for Near Field Communication, enabling short-range wireless communication for tasks like contactless payments.
#3
Which mobile device feature allows users to unlock their device using their fingerprint?
Fingerprint scanner
ExplanationA fingerprint scanner is a mobile device feature that enables users to unlock their device by scanning their fingerprint for security.
#4
What is the purpose of a SIM card in a mobile device?
To provide mobile network connectivity
ExplanationA SIM card in a mobile device serves to provide mobile network connectivity, allowing the device to connect to cellular networks.
#5
What is the purpose of the IMEI (International Mobile Equipment Identity) number in a mobile device?
To identify the device manufacturer
ExplanationThe IMEI number in a mobile device serves to identify the device manufacturer and is a unique identifier for each device.
#6
Which mobile device feature enables users to make contactless payments?
NFC (Near Field Communication)
ExplanationNFC enables contactless payments by allowing short-range communication between devices, facilitating transactions.
#7
Which mobile operating system is developed by Apple Inc.?
iOS
ExplanationiOS is the mobile operating system developed by Apple Inc. for its iPhones and iPads.
#8
What is the purpose of rooting or jailbreaking a mobile device?
To unlock hidden features
ExplanationRooting or jailbreaking a mobile device allows users to access and unlock hidden features and customize the device beyond manufacturer restrictions.
#9
Which mobile device feature allows for wireless charging?
Qi charging
ExplanationQi charging is a mobile device feature that enables wireless charging, allowing users to charge their devices without physical cables.
#10
What is the purpose of a VPN (Virtual Private Network) on a mobile device?
To encrypt internet traffic for privacy
ExplanationA VPN on a mobile device encrypts internet traffic, enhancing privacy and security by creating a secure, private network connection.
#11
What does the term '4G' refer to in mobile networks?
Fourth generation of mobile network technology
Explanation4G refers to the fourth generation of mobile network technology, providing faster data speeds and improved connectivity.
#12
Which mobile device feature enables users to track their physical activity and exercise?
Fitness tracker
ExplanationA fitness tracker is a mobile device feature that allows users to monitor and track their physical activity, exercise, and health metrics.
#13
Which feature distinguishes OLED displays from LCD displays in mobile devices?
OLED displays can produce true black color.
ExplanationOLED displays can produce true black color, unlike LCD displays, enhancing contrast and energy efficiency.
#14
What does IP67 rating signify in a mobile device?
Resistance to water and dust
ExplanationAn IP67 rating in a mobile device indicates resistance to water and dust, making the device more durable and protected against environmental factors.
#15
What does the term 'AMOLED' stand for in relation to mobile device displays?
Active Matrix OLED
ExplanationAMOLED stands for Active Matrix OLED, a display technology that offers vibrant colors and better contrast in mobile devices.
#16
Which mobile device feature is responsible for converting sound waves into digital signals?
Microphone
ExplanationThe microphone in a mobile device is responsible for converting sound waves into digital signals, allowing users to record audio and make voice calls.
#17
Which mobile device feature allows users to authenticate their identity using their iris or face?
Facial recognition
ExplanationFacial recognition is a mobile device feature that enables users to authenticate their identity using their iris or face, enhancing security and convenience.