USB & OTG GIÁ CỰC TỐT

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Just about any chothuebds247.com that you buy today comes with one or more Universal Serial Bus connectors. These USB connectors let you attach mice, printers và other accessories to your chothuebds247.com quickly và easily. The operating system supports USB as well, so the installation of the device drivers is quick and easy, too. Compared to other ways of connecting devices to your chothuebds247.com (including parallel ports, serial ports and special cards that you install inside the chothuebds247.com"s case), USB devices are incredibly simple.

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­In this article, we"ll look at USB ports from both a user và a technical standpoint. You"ll learn why the USB system is so flexible and how it"s able to support so many devices so easily -- it"s truly an amazing system.


Anyone who has been around chothuebds247.coms for a while knows the problem that the Universal Serial Bus is trying lớn solve -- in the past, connecting devices lớn chothuebds247.coms has been a real headache.


Devices that needed faster connections came with their own cards, which had khổng lồ fit in a thẻ slot inside the chothuebds247.com"s case. Unfortunately, the number of thẻ slots is limited và some of the cards are difficult khổng lồ install.

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The goal of USB is to kết thúc all of these headaches. The Universal Serial Bus gives you a single, standardized, easy-to-use way lớn connect up to 127 devices to a chothuebds247.com.

Just about every peripheral made now comes in a USB version. A sample list of USB devices that you can buy today includes:


In the next section, we"ll look at the USB cables & connectors that allow your chothuebds247.com khổng lồ communicate with these devices.

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"""Inside a USB cable: There are two wires for power nguồn -- +5 volts (red) và ground (brown) -- and a twisted pair (yellow và blue) of wires lớn carry the data. The cable is also shielded.