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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.
In April 2016, Roblox launched Roblox VR for Oculus Rift. At the time of release, more than ten million games were available in 3D. [80] Around the same time period, the safe chat feature was removed and replaced by a system based on a whitelist and with a set of acceptable words for users under 13 years old and a set of blacklisted words.
For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85% efficient for loads above 180 W) may only be 73% efficient when the load is lower than 100 W, which is a typical idle power for a desktop computer. Thus, for a 100 W load, losses for this supply ...
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Roblox is a more recent example of an open world game that allows players to build their own creations within game with the potential to earn money from these creations. [218] The metaverse in the early 2020s was not yet well defined, but those developing the nascent technologies recognized that a financial system would be tied to these systems.
An integrated power supply is one that shares a common printed circuit board with its load. An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics ...
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In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. The switched-mode power supply's higher electrical efficiency is an important advantage. Switched-mode power supplies can also be substantially smaller and lighter than a linear supply because the transformer can be much smaller.