It is measured in Hertz (Hz) on the specifications sheet. As the name suggests, touch sampling rate refers to the number of times a screen can register your touch input in a second. Next up we are going to talk about the touch sampling rate that is available on most smartphones selling in the market these days. So, for instance, if a smartphone’s display offers 300 PPI, it means there are 300 dots per inch, allowing the images and content to appear crisp and sharp for the viewer. It is also worth pointing out that each pixel is viewed as a square if you get a micro view of the screen sometime. You might have heard varied definitions for PPI, but in simple words, it is used to measure the closeness of pixels on a mobile screen. We start our explainer with pixels per inch or as most of us call it, PPI. We’ve decided to narrow down these features, the technology for our readers, giving them an in-depth look at what basic things like PPI, refresh rate, and AMOLED panel mean. Screen is the hub where most of your computing tasks take place, but how much do we know about its different aspects, its nature and quality. You even use it for watching videos or movies on the go. Same thing works for hailing cabs as well. You want to order food, tap on the screen to open the app and get it done. You want to call someone, tap the screen. Smartphones have displays and that is where all the action happens.
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