Refers to the maximum number of pixels that the screen can display. For example, a screen resolution of 1024x768 means that the screen can display 1024 pixels vertically and 768 pixels horizontally. The higher the resolution, the better the image quality.
HDMI port, a HDMI cable transfers uncompressed digital sound- and picture signals and provides an interface between multimedia units, e.g. between a tablet and a TV (where the media can be controlled from the tablet).