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  2. RGBA color model - Wikipedia

    en.wikipedia.org/wiki/RGBA_color_model

    RGBA stands for red green blue alpha. While it is sometimes described as a color space , it is actually a three-channel RGB color model supplemented with a fourth alpha channel . Alpha indicates how opaque each pixel is and allows an image to be combined over others using alpha compositing , with transparent areas and anti-aliasing of the edges ...

  3. X11 color names - Wikipedia

    en.wikipedia.org/wiki/X11_color_names

    The first versions of Mosaic and Netscape Navigator used the X11 colors as the basis for the web colors list, as both were originally X applications. The W3C specifications SVG and CSS level 3 module Color eventually adopted the X11 list with some changes. [7]

  4. ColorChecker - Wikipedia

    en.wikipedia.org/wiki/ColorChecker

    The ColorChecker Classic chart is a rectangular card measuring about 11 by 8.25 inches (27.9 by 21.0 cm), or in its original incarnation about 13 by 9 inches (33 by 23 cm), an aspect ratio approximately the same as that of 35 mm film. [5]

  5. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  6. Binary number - Wikipedia

    en.wikipedia.org/wiki/Binary_number

    To convert a hexadecimal number into its binary equivalent, simply substitute the corresponding binary digits: 3A 16 = 0011 1010 2 E7 16 = 1110 0111 2. To convert a binary number into its hexadecimal equivalent, divide it into groups of four bits. If the number of bits isn't a multiple of four, simply insert extra 0 bits at the left (called ...

  7. Octal - Wikipedia

    en.wikipedia.org/wiki/Octal

    The prefix 0o also follows the model set by the prefix 0x used for hexadecimal literals in the C language; it is supported by Haskell, [19] OCaml, [20] Python as of version 3.0, [21] Raku, [22] Ruby, [23] Tcl as of version 9, [24] PHP as of version 8.1, [25] Rust [26] and ECMAScript as of ECMAScript 6 [27] (the prefix 0 originally stood for ...

  8. Capacitor - Wikipedia

    en.wikipedia.org/wiki/Capacitor

    Around ω 0, the total impedance and voltage drop is primarily resistive. Higher frequencies are more inductive. Higher frequencies are more inductive. As frequency increases, the capacitive impedance (a negative reactance) reduces, so the dielectric's conductance becomes less important and the series components become more significant.

  9. List of Intel processors - Wikipedia

    en.wikipedia.org/wiki/List_of_Intel_processors

    800 MHz (0.18 μm process, 256 KB L2 cache) introduced January 12, 2000; 866 MHz (0.18 μm process, 256 KB L2 cache) introduced April 10, 2000; 933 MHz (0.18 μm process, 256 KB L2 cache) 1000 MHz (0.18 μm process, 256 KB L2 cache) introduced August 22, 2000; 700 MHz (0.18 μm process, 1–2 MB L2 cache) introduced May 22, 2000