When it comes to TVs, 4K and Ultra HD (or UHD) are referring to the same resolution. Those TVs, along with Ultra HD Blu-ray, ...

What is 4K resolution? Every digital screen is made up using pixels, which are small dots or squares that work together to create images. The more pixels a screen has, the higher its resolution ...

4K resolution is now within reach of everyday PC users, promising a massive improvement to image quality, with four times the pixels of a 1080p display. A 4K monitor is useful not only in games ...