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  2. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures against ...

  3. Red/black concept - Wikipedia

    en.wikipedia.org/wiki/RED/BLACK_concept

    The red/black concept, sometimes called the red–black architecture [1] or red/black engineering, [2] [3] refers to the careful segregation in cryptographic systems of signals that contain sensitive or classified plaintext information (red signals) from those that carry encrypted information, or ciphertext (black signals).

  4. PlayStation 3 models - Wikipedia

    en.wikipedia.org/wiki/PlayStation_3_models

    A 120 GB Slim model Motorized slot-loading disc cover. This feature is absent in the Super Slim model. The redesigned version of the PlayStation 3 (commonly referred to as the "PS3 Slim" and officially branded "PS3") features an upgradeable 120 GB, 160 GB, [25] [26] 250 GB or 320 GB [25] [26] hard drive and is 33% smaller, 36% lighter and consumes 34% (CECH-20xx) or 45% (CECH-21xx) less power ...

  5. Shades of black - Wikipedia

    en.wikipedia.org/wiki/Shades_of_black

    In color theory, a shade is a pure color mixed with black. It decreases its lightness while nearly conserving its chromaticity. Strictly speaking, a "shade of black" is always a pure black itself and a "tint of black" would be a neutral gray. In practice, many off-black colors possess a hue and a colorfulness (also called saturation).

  6. Black - Wikipedia

    en.wikipedia.org/wiki/Black

    Black is the color most commonly associated with elegance in Europe and the United States. [91] Black first became a fashionable color for men in Europe in the 17th century, in the courts of Italy and Spain. In the 19th century, it was the fashion for men both in business and for evening wear. [92]

  7. IBM System/360 Model 67 - Wikipedia

    en.wikipedia.org/wiki/IBM_System/360_Model_67

    The IBM System/360 Model 67 (S/360-67) was an important IBM mainframe model in the late 1960s. [1] Unlike the rest of the S/360 series, it included features to facilitate time-sharing applications, notably a Dynamic Address Translation unit , the "DAT box", to support virtual memory , 32-bit addressing and the 2846 Channel Controller to allow ...

  8. SN 441011 - Wikipedia

    en.wikipedia.org/wiki/SN_441011

    In both the 10 A and 16 A versions, the distance between the phase conductor and the neutral conductor is 19 mm (± 0.15 mm). The protective conductor is offset by 5 mm (± 0.1 mm). In the three-phase plugs and sockets (T15 and T25), L2 and L3 are offset by 8 mm (± 0.1 mm) from the protective conductor, i.e. the distance between L1 and L2 or ...

  9. Sheldon coin grading scale - Wikipedia

    en.wikipedia.org/wiki/Sheldon_coin_grading_scale

    67 Mint State 67 MS67 Coin has a sharp strike with full, original luster, May have three or four very small contact marks and a single, more noticeable, but not detracting mark. On comparable coins, one or two small single hairlines may show under (6x+) magnification, or one or two partially hidden scuff marks or flaws may be present.