Smartphone Features You Actually Use
Explore useful phone features and the choices involved in using them, from everyday tools to privacy and battery life.
Preview
Questions with solutions-
1. সঠিক উত্তরটি নির্বাচন করুন।
Which phone feature would help Ben see?
The power is out, and Ben needs to find his keys in a dark room.
- The flashlight
- The camera zoom
- The screen lock
Show solution
- The flashlight
The flashlight turns on the light next to the phone's camera, so Ben can see nearby objects.
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2. শূন্যস্থানটি পূরণ করুন।
To cook her pasta, Ava sets her phone's ___ to count down from eight minutes and then sound an alert.
- stopwatch
- timer
- calendar
Ava needs an alert after a set length of time.
Show solution
To cook her pasta, Ava sets her phone's timer to count down from eight minutes and then sound an alert.
A timer counts down to zero. A stopwatch measures how much time has passed.
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3. শূন্যস্থানটি পূরণ করুন।
A ___ saves a still image of what is currently on your phone's screen.
- screen recording
- voice recording
- screenshot
This feature captures one moment, not a video.
Show solution
A screenshot saves a still image of what is currently on your phone's screen.
Screenshots are useful for saving a booking code or an error message.
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4. সঠিক উত্তরটি নির্বাচন করুন।
What does Bluetooth allow Sam to do?
Sam connects his Bluetooth headphones to his phone.
- Listen without a cable between the devices.
- Listen without any power in the headphones.
- Listen at any distance from the phone.
Show solution
- Listen without a cable between the devices.
Bluetooth connects nearby devices wirelessly, but the devices still need power and must stay within range.
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5. সঠিক উত্তরটি নির্বাচন করুন।
Which setting would stop the screen from switching views?
When Maya reads in bed, her screen keeps switching between a tall view and a wide view as she moves the phone.
- Automatic brightness
- Rotation lock
- A longer screen timeout
Show solution
- Rotation lock
Rotation lock keeps the screen in one position even when you turn the phone.
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6. সঠিক উত্তরটি নির্বাচন করুন।
Which change could reduce battery use?
Omar's battery is low. He is reading indoors, where he can see the screen clearly without maximum brightness.
- Making the screen brighter
- Keeping the screen on for longer
- Lowering the screen brightness
Think about how much power the screen needs.
Show solution
- Lowering the screen brightness
A brighter screen generally uses more power. Lower brightness can help when the room is not very bright.
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7. সঠিক উত্তরটি নির্বাচন করুন।
Which action would free up storage space?
Grace cannot download a new app because her phone's storage is full. She has several downloaded movies she no longer wants.
- Deleting the unwanted downloaded movies
- Closing the apps that are currently open
- Restarting the phone without deleting anything
Stored files take up space even when they are not open.
Show solution
- Deleting the unwanted downloaded movies
Closing an app does not remove its saved files. Downloaded videos can take up a lot of storage.
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8. সঠিক উত্তরটি নির্বাচন করুন।
Which change best matches Eli's needs?
Eli wants to receive messages from his family, but he does not want alerts about sales from a shopping app.
- Turning off all phone notifications
- Turning off notifications for the shopping app
- Disconnecting the phone from the internet
Show solution
- Turning off notifications for the shopping app
Notification settings can usually be changed for each app, so you can turn off unwanted alerts without silencing useful ones.
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9. সঠিক উত্তরটি নির্বাচন করুন।
What would help Lena recover her photos if she lost her phone?
Lena's photos are stored only on her phone. She is worried about losing the phone.
- Using a stronger screen-lock password
- Putting the phone in a protective case
- Keeping a backup copy on another device
Think about where the photos would be if she lost the phone.
Show solution
- Keeping a backup copy on another device
A backup keeps another copy of your files. A screen lock stops other people from opening your phone, but it cannot replace missing photos.
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10. সঠিক উত্তরটি নির্বাচন করুন।
Which feature could provide internet access for the laptop?
Jules's laptop has no internet connection. Her phone has mobile data and can share that connection.
- A mobile hotspot
- Airplane mode
- Wireless charging
Show solution
- A mobile hotspot
A hotspot lets another device use your phone's mobile internet connection. That device's activity also uses your mobile data.
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11. সঠিক উত্তরটি নির্বাচন করুন।
What information might be unavailable?
Priya has downloaded a map. Her phone can still find her location, but it has no internet connection.
- The roads already included in the saved map
- Current traffic reports
- Her position on the map
Some information changes throughout the day.
Show solution
- Current traffic reports
Saved maps can work offline, but current traffic information needs fresh data from the internet.
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12. সঠিক উত্তরটি নির্বাচন করুন।
Which location permission matches this need?
A map app needs to know Theo's location while he uses it for directions. He does not want it to access his location when he is not using it.
- Allow location access all the time.
- Never allow location access.
- Allow location access only while using the app.
Show solution
- Allow location access only while using the app.
Limited permission lets a feature work when needed without giving the app constant access.
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13. সঠিক উত্তরটি নির্বাচন করুন।
Which update setting meets both goals?
Nora wants her apps to update automatically, but her mobile plan includes only a small amount of data. She has Wi-Fi at home.
- Allow automatic updates only over Wi-Fi.
- Allow automatic updates only over mobile data.
- Turn off all automatic updates.
Her home connection does not use her mobile data.
Show solution
- Allow automatic updates only over Wi-Fi.
App updates can involve large downloads. Using Wi-Fi keeps those downloads from using up her mobile data.
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14. সঠিক উত্তরটি নির্বাচন করুন।
What change should Rosa expect?
Rosa increases the text size to make reading easier. Each letter now takes up more space, but her phone's screen is the same size.
- More words will fit on the screen at once.
- She may need to scroll more to read the same page.
- Long pages will no longer need scrolling.
The words are larger, but the available space has not grown.
Show solution
- She may need to scroll more to read the same page.
Larger text can be easier to read, but fewer words fit on the screen at one time.
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15. সঠিক উত্তরটি নির্বাচন করুন।
What trade-off is Leo making?
Leo turns on battery saver. It reduces activity in apps he is not using, so his mail app checks for new messages less often.
- Shorter battery life, but faster email updates
- Longer battery life and faster email updates
- Longer battery life, but slower email updates
Consider both the power saved and the less frequent checks.
Show solution
- Longer battery life, but slower email updates
Saving power can mean less activity in the background. If Leo is expecting an important message, he can open his mail app to check.