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  2. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The millimetre (SI symbol: mm) is a unit of length in the metric system equal to 10 −3 metres (⁠ 1 / 1 000 ⁠ m = 0.001 m). To help compare different orders of magnitude , this section lists lengths between 10 −3 m and 10 −2 m (1 mm and 1 cm).

  3. Pixel density - Wikipedia

    en.wikipedia.org/wiki/Pixel_density

    For example, a 15-inch (38 cm) display whose dimensions work out to 12 inches (30.48 cm) wide by 9 inches (22.86 cm) high, capable of a maximum 1024×768 (or XGA) pixel resolution, can display around 85 PPI, or 33.46 PPCM, in both the horizontal and vertical directions. This figure is determined by dividing the width (or height) of the display ...

  4. iMac (Intel-based) - Wikipedia

    en.wikipedia.org/wiki/IMac_(Intel-based)

    The display and glass are laminated together, eliminating a 2 mm gap between them. The 21.5-in and 27-inch screens remained at their previous resolutions, 1920 × ...

  5. ThinkPad X series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X_series

    An addition to the lightweight X series, weighing between 1.36 kg to 1.72 kg depending on configuration. It was the thinnest ThinkPad laptop to date at 16.5 (front) and 21.5 mm (rear). The screen is a 13.3-inch (340 mm) LED-backlit HD infinity panel with 1366 × 768 (WXGA) resolution. The base configuration uses an Intel Sandy Bridge 2.5 GHz ...

  6. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    The posts are each 0.625 inches (15.88 mm) wide, and are separated by a gap of 17.75 inches (450.85 mm), giving an overall rack width of 19 inches (482.60 mm). The posts have holes in them at regular intervals, with both posts matching, so that each hole is part of a horizontal pair with a center-to-center distance of 18.312 inches (465.12 mm).

  7. ThinkPad X1 series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X1_series

    An addition to the lightweight X series, weighing between 1.36 kg to 1.72 kg depending on configuration. It was the thinnest ThinkPad laptop to date at 16.5 (front) and 21.5 mm (rear). The screen is a 13.3-inch (340 mm) LED-backlit HD infinity panel with 1366 × 768 (WXGA) resolution.

  8. iMac - Wikipedia

    en.wikipedia.org/wiki/IMac

    From its introduction, the computer has eschewed many entrenched legacy technologies, notably becoming an early adopter of the USB port, and removing floppy disk and later optical disc drives. The most recent revision, the Apple Silicon iMac , uses Apple's own processors (silicon) and is 11.5 millimeters (0.45 in) thick.

  9. 4K resolution - Wikipedia

    en.wikipedia.org/wiki/4K_resolution

    Samsung UN105S9 105-inch (2,700 mm) ultra-high-definition 4K television. In 1984, Hitachi released the ARTC HD63484 graphics processor, which was capable of displaying up to 4K resolution when in monochrome mode. [73] The resolution was targeted at the bit-mapped desktop publishing market. [73]