The 20 quiz questions
Question 1 : In what year was the first iPhone commercialized?
Possible answers:
- 2005
- 2007
- 2009
- 2010
Explanation: The first iPhone was presented by Steve Jobs on January 9, 2007 and commercialized on June 29, 2007, revolutionizing the smartphone industry.
Question 2 : Which company developed the Android operating system?
Possible answers:
- Samsung
- Microsoft
Explanation: Android was created by Android Inc. in 2003, then acquired by Google in 2005. The first commercial version was released in 2008.
Question 3 : What was Nokia's mobile operating system before Windows Phone?
Possible answers:
- MeeGo
- Symbian
- Bada
- webOS
Explanation: Symbian was the dominant operating system for Nokia smartphones in the 2000s. It was abandoned after the Nokia-Microsoft partnership in 2011.
Question 4 : What is the name of Apple's voice assistant?
Possible answers:
- Cortana
- Alexa
- Google Assistant
- Siri
Explanation: Siri was introduced with the iPhone 4S in 2011. It was one of the first mainstream voice assistants integrated into a smartphone.
Question 5 : Which Korean manufacturer is the largest seller of Android smartphones?
Possible answers:
- Xiaomi
- LG
- Huawei
- Samsung
Explanation: Samsung has been the global leader in Android smartphone sales for over a decade, with its Galaxy S and Galaxy A lineup.
Question 6 : Which Chinese manufacturer became a major player in foldable smartphones in 2024 with its triple-screen Mate XT?
Possible answers:
- Huawei
- Xiaomi
- Oppo
- Honor
Explanation: Huawei launched the Mate XT in 2024, the first smartphone to fold in 3 parts to become a 10-inch mini-tablet. Technical innovation despite US sanctions that have deprived the brand of Google Mobile Services since 2019.
Question 7 : Which smartphone was the first to integrate an under-display fingerprint reader?
Possible answers:
- OnePlus 6T
- Vivo X20 Plus UD
- Samsung Galaxy S9
- Huawei Mate 20 Pro
Explanation: The Vivo X20 Plus UD, launched in January 2018, was the first commercial smartphone to integrate a fingerprint reader under the OLED display.
Question 8 : Which fast charging technology pioneered the slogan "A day's power in 15 minutes"?
Possible answers:
- Quick Charge (Qualcomm)
- Warp Charge (OnePlus)
- VOOC (Oppo)
- SuperCharge (Huawei)
Explanation: VOOC (Voltage Open Loop Multi-step Constant-Current Charging) by Oppo, launched in 2014, revolutionized fast charging with its low voltage/high amperage approach.
Question 9 : How many megapixels did the first iPhone camera have in 2007?
Possible answers:
- 1 MP
- 2 MP
- 3 MP
- 5 MP
Explanation: The first iPhone had only a 2 megapixel camera, without flash, autofocus, or video recording capability.
Question 10 : What was the name of the first foldable smartphone commercialized by Samsung in 2019?
Possible answers:
- Galaxy Flex
- Galaxy Fold
- Galaxy Bend
- Galaxy Z Flip
Explanation: The Samsung Galaxy Fold, launched in September 2019, was Samsung's first foldable smartphone, opening a new era for smartphones.
Question 11 : Which Apple device revolutionized the smartphone industry in 2007?
Possible answers:
- iMac
- iPod
- iPad
- iPhone
Explanation: The iPhone, unveiled by Steve Jobs on January 9, 2007, revolutionized the mobile industry with its touchscreen and intuitive interface. It created the modern smartphone market.
Question 12 : Which Chinese brand launched the first smartphone with a 108 megapixel camera?
Possible answers:
- Oppo
- Huawei
- Vivo
- Xiaomi
Explanation: Xiaomi launched the Mi Note 10 in November 2019, equipped with the Samsung ISOCELL Bright HMX 108 megapixel sensor, a world first.
Question 13 : Which mobile operating system was used by Research In Motion (RIM) physical keyboard smartphones?
Possible answers:
- Symbian
- Windows Mobile
- BlackBerry OS
- Palm OS
Explanation: BlackBerry OS was Research In Motion's (RIM) proprietary operating system for BlackBerry smartphones, famous for its physical keyboard and secure messaging services.
Question 14 : What term describes the cutout in the screen that houses the front camera, popularized by the iPhone X?
Possible answers:
- Notch
- Bezel
- Punch-hole
- Chin
Explanation: The "notch" is the cutout at the top of the screen containing Face ID sensors and the front camera, introduced by the iPhone X in 2017.
Question 15 : Which technology allows smartphones to communicate at close range for contactless payments?
Possible answers:
- WiFi Direct
- Bluetooth
- RFID
- NFC
Explanation: NFC (Near Field Communication) enables short-range wireless communication (a few centimeters), used for mobile payments like Apple Pay or Google Pay.
Question 16 : Which processor manufacturer powers most high-end Android smartphones with its Snapdragon series?
Possible answers:
- Samsung Exynos
- MediaTek
- Qualcomm
- Intel
Explanation: Qualcomm, with its Snapdragon series, powers most premium Android smartphones. The Snapdragon 8 Gen chips are the most powerful in the Android market.
Question 17 : Which mobile network generation promises speeds up to 100 times faster than 4G?
Possible answers:
- 5G
- 6G
- 4G+
- Wi-Fi 6
Explanation: 5G offers theoretical speeds up to 10 Gbps, reduced latency, and enables massive IoT connectivity.
Question 18 : Which screen type uses organic diodes that emit their own light, offering perfect blacks?
Possible answers:
- OLED
- LCD
- IPS
- E-Ink
Explanation: OLED (Organic Light-Emitting Diode) screens don't need backlighting. Each pixel produces its own light, enabling absolute blacks and infinite contrast.
Question 19 : Which ultra-resistant glass made by Corning protects most smartphone screens?
Possible answers:
- Gorilla Glass
- Sapphire Glass
- Dragontrail
- Ceramic Shield
Explanation: Gorilla Glass, launched in 2007, is used in most premium smartphones. It resists scratches and drops thanks to chemical tempering.
Question 20 : What is the name of the wireless charging standard used by most smartphones?
Possible answers:
- Qi
- Powermat
- MagSafe
- AirPower
Explanation: The Qi standard (pronounced "chee"), developed by the Wireless Power Consortium, has been adopted by Apple, Samsung, and most manufacturers since 2015.
