Question 1:
Which company is credited with inventing the first smartphone?
Explanation: The correct answer is D) BlackBerry. BlackBerry is credited with inventing the first smartphone. The BlackBerry 5810, released in 2002, combined the functionality of a mobile phone, email, and personal digital assistant (PDA) in a single device.
Question 2:
What operating system is commonly used in smartphones?
Explanation: The correct answer is B) Android. Android is the operating system commonly used in smartphones. It is developed by Google and is based on the Linux kernel. Android offers a customizable user interface and supports a wide range of applications.
Question 3:
What is the primary method of input for smartphones?
Explanation: The correct answer is A) Touchscreen. The primary method of input for smartphones is the touchscreen. Smartphones feature touch-sensitive displays that allow users to interact with the device by tapping, swiping, and using gestures.
Question 4:
Which technology enables wireless communication on smartphones?
Explanation: The correct answer is D) 4G/LTE. 4G/LTE (Fourth Generation/Long-Term Evolution) technology enables wireless communication on smartphones. It provides high-speed data transfer, allowing users to browse the internet, stream media, and make video calls over cellular networks.
Question 5:
What feature allows smartphones to determine their geographical location?
Explanation: The correct answer is A) GPS (Global Positioning System). GPS is the feature that allows smartphones to determine their geographical location. By receiving signals from multiple satellites, smartphones can accurately calculate their position on the Earth's surface.
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