john3859
Dołączył: 25 Sty 2011
Posty: 1639
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Wysłany: Nie 6:40, 27 Mar 2011 Temat postu: and 2 more wires |
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yilai:
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
ll widely in use. Rather than increase the complexity of connecting devices to a computer, both versions utilize the same type of USB cable. When a consumer buys a regular USB device the USB cable is normally included. The USB cable is the tool that links the device to the computer in order for it to function.A regular USB cable has different plugs on each end [link widoczny dla zalogowanych], known as the A plug and the B plug. It is easy to differentiate between these plugs: the A plug is flat overall, and rectangular in shape, while the B plug is normally square shaped. The A plug is the end that is inserted to the USB port of the computer, while the B plug is the end reserved to connect to the various devices. There are some devices which use and require specialized B plugs [link widoczny dla zalogowanych], usually due to size constraints that prevent them from accommodating the larger standard plug. Plugging in a USB cable is simple, as the plugs will not fit in the wrong slots.USB cable receives and transmits data [link widoczny dla zalogowanych], which requires the conduction of electricity. Since many devices rely upon this cable for their power source as well, two additional wires are included to supply this power. There are 2 wires (twisted) inside the USB cable for data lines, and 2 more wires (untwisted) for power. The first wire (red) carrie
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