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  2. Pixel density - Wikipedia

    en.wikipedia.org/wiki/Pixel_density

    Pixels per inch (ppi) and pixels per centimetre (ppcm or pixels/cm) ... For example, an image intended for a printer capable of 600 dpi could be created at 300 ppi.

  3. Dots per inch - Wikipedia

    en.wikipedia.org/wiki/Dots_per_inch

    Actual size is approximately 1 ⁄ 4 by 1 ⁄ 4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch (DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch ...

  4. Retina display - Wikipedia

    en.wikipedia.org/wiki/Retina_display

    When introducing the iPhone 4, Steve Jobs said the density of pixels needed for a Retina display is about 300 PPI (120 dot/cm) for a device held 10 to 12 inches (25 to 30 cm) from the eye. [1] This definition includes the distance from the screen to the observer (the viewing distance ), because moving the eye closer to the display makes it ...

  5. Image resolution - Wikipedia

    en.wikipedia.org/wiki/Image_resolution

    An image that is 2048 pixels in width and 1536 pixels in height has a total of 2048×1536 = 3,145,728 pixels or 3.1 megapixels. One could refer to it as 2048 by 1536 or a 3.1-megapixel image. The image would be a very low quality image (72ppi) if printed at about 28.5 inches wide, but a very good quality (300ppi) image if printed at about 7 ...

  6. The Boox e-reader is gorgeous — but is it worth its $500 ...

    www.aol.com/lifestyle/the-boox-e-reader-is...

    The 10.3-inch screen is just as impressive, with a 2,480 x 1,860 resolution, which equates to a density of 300 pixels per inch (ppi). All this means is that content is super sharp, crisp, and ...

  7. List of common display resolutions - Wikipedia

    en.wikipedia.org/wiki/List_of_common_display...

    The resolution of 960H depends on whether the equipment is PAL or NTSC based: 960H represents 960 x 576 (PAL) or 960 x 480 (NTSC) pixels. [29] 960H represents an increase in pixels of some 30% over standard D1 resolution, which is 720 x 576 pixels (PAL), or 720 x 480 pixels (NTSC). The increased resolution over D1 comes as a result of a longer ...

  8. Lines per inch - Wikipedia

    en.wikipedia.org/wiki/Lines_per_inch

    Lines per inch (LPI) is a measurement of printing resolution. A line consists of halftones that is built up by physical ink dots made by the printer device to create different tones. Specifically LPI is a measure of how close together the lines in a halftone grid are.

  9. File:Ahoefa Kunakey.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Ahoefa_Kunakey.jpg

    Pixel composition: Black and white (Black is 0) Orientation: Normal: Number of components: 1: Horizontal resolution: 300 dpi: Vertical resolution: 300 dpi: Software used: Adobe Photoshop CS6 (Macintosh) File change date and time: 16:26, 9 October 2019: Exposure Program: Manual: Exif version: 2.3: Date and time of digitizing: 21:50, 16 June 2019 ...