Mobile Device Domain Flashcards
Question
Options
What is the primary purpose of a digitizer in a mobile device?
[‘To display images’, ‘To convert touch input into digital signals’, ‘To amplify sound’, ‘To connect to Wi-Fi’]
Which of the following is NOT a feature of a smartphone’s accelerometer?
[‘Detecting orientation’, ‘Measuring acceleration’, ‘Controlling volume’, ‘Enabling screen rotation’]
What is the main safety concern with a swollen mobile device battery?
[‘Reduced battery life’, ‘Increased charging time’, ‘Risk of fire or explosion’, ‘Slower device performance’]
Which display technology is known for deep blacks and high contrast ratios?
[‘LCD’, ‘OLED’, ‘Plasma’, ‘CRT’]
What type of port is commonly used for charging modern Android smartphones?
[‘Lightning’, ‘USB-C’, ‘Micro-USB’, ‘Mini-USB’]
What is the advantage of using 5G over 4G LTE?
[‘Lower latency’, ‘Better signal penetration’, ‘Reduced power consumption’, ‘Increased compatibility’]
Which method is typically used to synchronize data between iOS devices?
[‘Google Drive’, ‘iCloud’, ‘OneDrive’, ‘Dropbox’]
What is the purpose of biometric authentication on mobile devices?
[‘To track user activity’, ‘To provide secure access’, ‘To boost device performance’, ‘To enable GPS navigation’]
What should you do first if a mobile device is overheating?
[‘Put it in a freezer’, ‘Close background apps’, ‘Disable Wi-Fi’, ‘Update the operating system’]
What is the most common cause of a mobile device not charging?
[‘A faulty charger’, ‘A software update’, ‘A weak Wi-Fi signal’, ‘A misaligned SIM card’]
Which component detects the device’s orientation?
[‘Accelerometer’, ‘Gyroscope’, ‘Digitizer’, ‘Touchscreen’]
What is the role of the gyroscope in mobile devices?
[‘Enhance motion detection’, ‘Improve GPS accuracy’, ‘Boost Wi-Fi signals’, ‘Extend battery life’]
What is the ideal condition for extending lithium-ion battery life?
[‘Always keep it fully charged’, ‘Avoid deep discharges’, ‘Charge only when it reaches 0%’, ‘Use a high-voltage charger’]
Which display type consumes less power for displaying black pixels?
[‘LCD’, ‘OLED’, ‘Plasma’, ‘CRT’]
What is the primary purpose of a Lightning connector?
[‘For Android devices’, ‘For Apple devices’, ‘For USB-C devices’, ‘For legacy devices’]
What is a benefit of enabling Wi-Fi calling on a mobile device?
[‘Faster data speeds’, ‘Improved call quality in low cellular signal areas’, ‘Increased battery life’, ‘Access to 5G networks’]
What is a key benefit of cloud synchronization?
[‘Increased battery life’, ‘Real-time data backup and access’, ‘Reduced data usage’, ‘Improved device performance’]