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A modern consumer graphics card: A Radeon RX 6900 XT from AMD. A graphics card (also called a video card, display card, graphics accelerator, graphics adapter, VGA card/VGA, video adapter, display adapter, or colloquially GPU) is a computer expansion card that generates a feed of graphics output to a display device such as a monitor.
The favored aspect ratio of mass-market display industry products has changed gradually from 4:3, then to 16:10, then to 16:9, and has now changed to 18:9 for smartphones. [7] [needs update] The 4:3 aspect ratio generally reflects older products, especially the era of the cathode ray tube (CRT).
Canada Flag Coat of arms Motto: A mari usque ad mare (Latin) "From Sea to Sea" Anthem: "O Canada" Royal anthem: "God Save the King" Capital Ottawa 45°24′N 75°40′W / 45.400°N 75.667°W / 45.400; -75.667 Largest city Toronto Official languages English French Demonym(s) Canadian Government Federal parliamentary constitutional monarchy • Monarch Charles III • Governor ...
A Snellen chart is an eye chart that can be used to measure visual acuity.Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor Franciscus Cornelius Donders.