Today, there are many computer categories. A$($n$)$

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is the category for the world$$s fastest computers.

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computers are large, expensive devices capable of simultaneously processing data for thousands of users. Computers used by Google and Web service providers are classified as

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$.$ Personal computers come in several varieties. A$($n$)$

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computer fits on a desk, runs on power from an electrical wall outlet, and can be housed in a horizontal case or vertical case. Three categories of portable computers include tablets, smartphones, and clam$-$shell style

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computers. Selecting a digital device requires consumers to select a platform based on form factor and operating system. MacOS is the operating system that runs on Apple laptops and

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computers. The operating system for iPhones and iPads is

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$.$ The

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operating system from Microsoft runs on laptop and desktop PCs$.$ The open source community produces Linux for desktops and servers. This family of operating systems also includes Chrome OS$,$ and

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$,$ which is popular for tablets and smartphones.