Pixels and resolution
A screen image is made of pixels. Resolution describes how many pixels are used, such as width by height. Higher resolution can show more detail but requires more graphics processing and memory.
What the GPU does
The GPU processes visual and parallel tasks. It can draw interfaces, render 3D scenes, accelerate video, process images, and help with some non-graphics tasks such as AI computation.
| Concept | Meaning | Why it matters |
|---|---|---|
| Resolution | Number of pixels | Sharpness and workspace |
| Refresh rate | How often screen updates | Smoothness and responsiveness |
| Frame rate | Frames produced per second | Motion smoothness |
| Rendering | Creating an image from data | Games, design, animation |
| VRAM | Graphics memory | Textures, frames, large visual workloads |
2D and 3D graphics
2D graphics handle flat images, text, icons, and interface elements. 3D graphics calculate objects, lights, cameras, materials, depth, and movement in a simulated space.
Display quality
A good display is not only resolution. Brightness, contrast, color accuracy, panel type, refresh rate, response time, viewing angle, and calibration all affect the experience.
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Graphics questions
No. Many computers use integrated graphics built into the processor. A separate GPU matters more for gaming, rendering, 3D work, AI tasks, and heavy visual workloads.