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USB Basics

Your computer comes with a flexible connection port called USB (short for Universal Serial Bus). Bearing a flat, rectangle shape, it enables you to attach up to 127 separate and distinct items that will expand its capabilities.

USB cables have two types of plugs, so that you can connect the correct end to the correct end. The part that plugs into your computer (or a hub) is small and rectangular. The side that goes into the device itself is square. Some USB devices support a different style of connection, but it is always obvious which end goes where.



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