Smartphones quiz
3 questions. No signup. Your move.
What does the G in 5G stand for?
Now make it a duel.
Play more questions on Smartphones in LearnClash. Challenge friends in a new quiz duel.
Play more in the appA tap copies this page’s link so the app can pick up where you left off.
That was every question in this preview. Pick another topic or keep going in the app.
A new quiz every day: Today’s quiz
The video couldn’t load. You can watch it on YouTube.
Choose a topic, answer questions and challenge a friend in LearnClash.
Watch on YouTubeA tap copies this page’s link so the app can pick up where you left off.
More questions about Smartphones
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
-
Which sunglasses can make a phone screen look black?
Answer: Polarized
Why: Turning the phone 90 degrees often brings the picture back, because that changes how the screen's polarizing filter lines up with the lenses.
-
What code appears when you dial *#06# on a phone?
Answer: IMEI
Why: Networks can blacklist a stolen phone's IMEI, blocking the handset even after a new SIM card goes in.
-
How is Gorilla Glass made tougher?
Answer: Ion exchange
Why: The bigger potassium ions crowd into spaces left by smaller sodium ions, squeezing the surface into a layer that resists damage.
-
Which phone wireless tech is named after a Viking king?
Answer: Bluetooth
Why: The Bluetooth logo merges two Viking runes, the H and B of King Harald Bluetooth's initials.
-
Which European satellite system helps phones find their position?
Answer: Galileo
Why: Since March 2022, every smartphone sold in the EU must support Galileo so that emergency calls can share the caller's location.
-
What was Android first designed to run on?
Answer: Digital cameras
Why: Google bought the small start-up Android Inc. in 2005, three years before the first Android phone went on sale.
Keep going in the app
A tap copies this page’s link so the app can pick up where you left off.
