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80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
Tom's Hardware is an online publication owned by Future plc and focused on technology. It was founded in 1996 by Thomas Pabst. [ 1 ] It provides articles, news, price comparisons, videos and reviews on computer hardware and high technology.
Many, especially hardware support for a Light pen and the Display list. Possibly the most capable hardware of the early 80s considering it was designed in the 70s. Coleco Adam, VTech CreatiVision, MSX1, [239] Pencil 2, Memotech MTX, [240] Sega SC-3000, Sord M5, SV-318 and SV-328, Tatung Einstein, TI-99/4, TI-99/4A, Tomy Tutor/Pyuuta: 1979-1984 ...
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The same two video cards, the MDA and the CGA, remained available for the PC XT, and no upgraded video hardware was offered by IBM until the EGA, which followed the introduction of the IBM Personal Computer/AT, with its full 16-bit bus design, in 1984.
The gold is typically applied by quick immersion in a solution containing gold salts. Some of the nickel is oxidized to Ni 2+ while the gold is reduced to metallic state. A variant of this process adds a thin layer of electroless palladium over the nickel, a process known by the acronym ENEPIG .
Bronze, or bronze-like alloys and mixtures, were used for coins over a longer period. Bronze was especially suitable for use in boat and ship fittings prior to the wide employment of stainless steel owing to its combination of toughness and resistance to salt water corrosion. Bronze is still commonly used in ship propellers and submerged bearings.