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The size of a screen is usually described by the length of its diagonal, which is the distance between opposite corners, typically measured in inches. It is also sometimes called the physical image size to distinguish it from the "logical image size," which describes a screen's display resolution and is measured in pixels. [1] [2]
Below is a list of currently available tablet PCs grouped by their width, depth, height, screen size, ... Apple iPad 2 [4] 9.5 in (240 mm) 7.3 in (190 mm)
is diagonal size in pixels. is diagonal size in inches (this is the number advertised as the size of the display). For example: For 15.6-inch screen with a 5120×2880 resolution you get + = 376.57 PPI.
It is expressed as two numbers separated by a colon (x:y), where x corresponds to the width and y to the height. Common aspect ratios for displays, past and present, include 5:4, 4:3, 16:10, and 16:9. To distinguish: The display aspect ratio (DAR) is calculated from the physical width and height of a display, measured each in inch or cm ...
After having used VGA-based 3∶2 resolutions HVGA (480 × 320) and "Retina" DVGA (960 × 640) for several years in their iPhone and iPod products with a screen diagonal of 9 cm or 3.5 inches, Apple started using more exotic variants when they adopted the 16∶9 aspect ratio to provide a consistent pixel density across screen sizes: first 1136 ...
A common size for LCDs manufactured for small consumer electronics, basic mobile phones and feature phones, typically in a 1.7" to 1.9" diagonal size. This LCD is often used in portrait (128×160) orientation. The unusual 5:4 aspect ratio makes the display slightly different from QQVGA dimensions. 160×128 (20k) 160 128 20,480 5:4 UNNAMED UNNAMED
The iPad's touchscreen display is a 1,024 by 768 pixel, 7.75 × 5.82 in (197 × 148 mm) liquid crystal display (diagonal 9.7 in (246.4 mm)), with fingerprint-and scratch-resistant glass. As a result of the device's screen dimensions and resolution, the screen has a pixel density of 132 ppi . [ 2 ]
Bus width 64-bit Graphics processor ... Screen size 8.3 in (210 mm) (diagonal) 7.9 in (200 mm) (diagonal) ... RAM Size Storage Type Storage Sizes iPad iPad mini