![]() For example, one of the key questions in the United States v. ![]() The delineation between system software such as operating systems and application software is not exact, however, and is occasionally the object of controversy. Users create this software themselves and often overlook how important it is. Even email filters are a kind of user software. User-written software includes spreadsheet templates, word processor macros, scientific simulations, audio, graphics, and animation scripts. ![]() User-written software tailors systems to meet the user's specific needs. Some application packages focus on a single task, such as word processing others called integrated software include several applications. Depending on the activity for which it was designed, an application can manipulate text, numbers, audio, graphics, and a combination of these elements. In information technology, an application ( app), an application program, or application software is a computer program designed to help people perform an activity.
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![]() It first launched on YouTube to support 4K video streaming, and it was officially released in June 2013. VP9, a free, open video compression codec developed by Google, was designed to support 4K video streaming with a 50% bandwidth reduction. It incorporates scalable video coding and promises twice the data compression at the same level of quality as its predecessor, H.264, for 30-40% bandwidth reduction. ![]() H.265, also known as High Efficiency Video Coding, was designed to support HD video with resolutions up to 8K. H.265 is a video compression standard that was approved by the International Telecommunication Union (ITU) in January 2013. Several video codecs and standards support 4K video requirements and bandwidth.
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