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A kind-of reverse Turing test called a _________ is used to prevent bots from spamming comments or signing up for web services.
Q1: What is an intelligent terminal?
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Q24: A _ is a person who posts
Q70: The higher the refresh rate,the poorer the
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Q129: _ language,assembly language,high-level,very-high-level,and natural are the five
Q134: Data entered into a computer for processing
Q173: An organized collection of integrated files is
Q187: The electromagnetic fields (EMFs)emitted by cellphones have
Q199: During system implementation,the fifth phase of the