Smartphones use touchscreens because they're easier to use than buttons. Imagine a phone with only buttons, it would be hard to type or scroll through apps. A touchscreen is like a piece of glass that knows when you tap, swipe, or pinch it. It feels more natural and lets you do more things in less space.
Examples
- A touchscreen phone allows you to draw directly on the screen like a tablet.
- You can swipe your finger to scroll down a webpage or zoom into a picture.
- Pinching two fingers together makes a picture bigger, just like when you look through binoculars.
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See also
- How Do Phones Know When You're Looking at Them?
- How Can a Single Button Make Your Phone Do So Many Things?
- How Do Touchscreens Actually Feel Your Touch?
- How Do Touchscreens Actually Work?
- How Do Touchscreens Actually Know You're Tapping?