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Scratch is a high-level, block-based visual programming language and website aimed primarily at children as an educational tool, with a target audience of ages 8 to 16. [9] [10] Users on the site can create projects on the website using a block-like interface.
Artificial intelligence (AI), in its broadest sense, is intelligence exhibited by machines, particularly computer systems.It is a field of research in computer science that develops and studies methods and software that enable machines to perceive their environment and use learning and intelligence to take actions that maximize their chances of achieving defined goals. [1]
Google was starting from scratch with zero percent market share, so it was happy to give up control and give everyone a seat at the table in exchange for adoption. Now, though, Android has around 75–80 percent of the worldwide smartphone market—making it not just the world's most popular mobile operating system but arguably the most popular ...
Neural networks are typically trained through empirical risk minimization.This method is based on the idea of optimizing the network's parameters to minimize the difference, or empirical risk, between the predicted output and the actual target values in a given dataset. [4]
It promotes Python and Scratch as the main programming languages, with support for many other languages. [186] The default firmware is closed source, while unofficial open source firmware is available. [187] [188] [189] Many other operating systems can also run on the Raspberry Pi. The formally verified microkernel seL4 is also supported. [190]
Twitter, officially known as X since 2023, is a social networking service.It is one of the world's largest social media platforms and one of the most-visited websites. [4] [5] Users can share short text messages, images, and videos in short posts commonly known as "tweets" (officially "posts") and like other users' content. [6]
The Office also became available for download from Amazon.com's Unbox video downloads in 2006. Sales of new The Office episodes on iTunes ceased in 2007 due to a dispute between NBC and Apple ostensibly overpricing. [217] As of September 9, 2008, The Office was put back on the iTunes Store and can be bought in HD and SD format. It is also ...