Test Questionnaire: Android Mobile App Development

What year was the first iPhone OS released?

• 2003

• 2005

• 2007

• 2008

Android was first developed as a system for:

• Gaming consoles

• Cameras and mobile devices

• Personal computers

• Internet browsing

Which of the following is an example of Augmented Reality (AR)?

• Playing VR games with a headset

• Pokémon Go using GPS and camera

• Watching Netflix on mobile

• Using a smartwatch to track steps

Which mobile trend requires developers to adapt apps to folded and unfolded screens?

• Wearables

• Foldables

• Cloud-based services

• Mobile Payments

What technology allows devices like refrigerators, TVs, and cars to connect to the internet?

• IoT

• AI

• NFC

Which wireless technology uses Bluetooth signals to interact with nearby devices, often in retail or airports?

• NFC

• Beacons

• Cloud

• VPN

Which of the following is an example of AI in mobile devices?

• Biometric authentication

• FaceTime

• eSIM

• Foldable displays

Arrange the steps of machine learning in correct order:

• Learn Preferences → Display Recommendations → Collect Data → Make Predictions

• Collect Data → Learn Preferences → Make Predictions → Display Recommendations

• Make Predictions → Collect Data → Display Recommendations → Learn Preferences

• Display Recommendations → Make Predictions → Collect Data → Learn Preferences

In blockchain, what ensures that no single person can cheat the record?

• Open-source system

• Centralized ledger

• Distributed ledger

• Encrypted wallet

Walmart uses blockchain mainly to:

• Track customer payments

• Verify damaged products’ origin

• Advertise products online

• Manage social media marketing