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What is the difference between a regular PC and a gaming computer?A gaming computer, also known as a gaming rig, is a type of personal computer that is optimized for computer-based video game play. Everything from the physical design of a gaming PC to its internal hardware is oriented towards the technological needs of computer games, but the main difference between a traditional PC and a gaming computer is the addition of a performance-oriented CPU and high-end graphics card. These hardware components allow the machine to make calculations at the speed necessary to keep up with complex online and offline computer games. In addition, gaming computers often include large, high-resolution 1080p or 4K screens, enhanced memory, and upgraded cooling systems designed to keep the unit at a safe temperature despite all the processes going on inside.What is a computer network?In its most basic sense, a computer network is a system in which two or more computers are linked together by either a physical or wireless connection. This allows those computers to share files as well as peripherals, such as printers and scanners. They also may be able to communicate with one another directly. Setting up a computer network can be complex, however, because it requires the use of external hardware, such as network cables, or wireless systems, such as network routers.Additional site navigationAbout eBayAnnouncementsCommunitySecurity CenterResolution CenterSeller Information CenterPoliciesAffiliatesHelp & ContactSite MapCopyright © 1995-2015 eBay Inc. All Rights Reserved. User Agreement, Privacy and Cookies.