Computer cables are used for transferring information between computers and other electrical systems. Personal desktop computers typically include a central processing unit (CPU) and associated volatile and non-volatile memory, including all RAM and BIOS ROM, a computer monitor, a keyboard, a hard drive, a mouse, and optional peripherals such as a printer and computer speakers, etc. Typical computer systems have a series of cables that are designed to carry commands and data between separate components, including peripheral devices. These cables facilitate the interfacing of a central processing unit (CPU) and related circuitry, such as a motherboard, with devices that are to be controlled. Cables are used to connect the monitor, printer, speakers and input devices to the processor housing. Power cables are also required to connect the processor housing, and usually the monitor, to a power source. Connector on the ends of the cables has pins that connect to interface circuitry in the computer. Often the same electrical signal in the cable is used on multiple pins on the cable connector. To achieve high performance data transfer interfaces between the host computer system and a given peripheral device, computer users typically use hardware that can take advantage of the small computer system interface (SCSI) protocol. A computer is provided with SCSI capabilities via SCSI controller cards that connect to the host computer or via a SCSI chip that is integrated as part of the computer's motherboard. Many of the current computer I/O interfaces use universal serial bus (USB) or Firewire computer architecture. Universal Serial Bus (USB) connections provide a flexible and adaptable method for connecting peripheral devices to computers. The ability of USB devices to "plug and play" as well as the wide array of USB devices available make USB devices a common staple of computing accessories. A USB cable is used to electrically connect a computer and other apparatuses. For example, input devices such as a mouse and a keyboard are connected through the USB cable to the computer. A USB connector is disposed at an end of the USB cable. The USB connector is inserted into a mount port disposed on a computer. Firewire computer architecture uses a four or six wire cable usually in six, ten, or fifteen foot lengths, and having a six pin Firewire computer connector on one or both ends of a Firewire cable, and a four pin audio-visual connector, which also may be on one, or both, ends of a Firewire cable, thus providing additional cable configurations. Cables for connecting a computer with peripheral devices, like a keyboard, a mouse, a scanner or an external data storage device, have been increasingly standardized. For transmission speeds or data rates below 12 Mbits per second, Universal Serial Bus (USB) cables have increasingly been used. For higher data rates, of 100 Mbits per second and above, IEEE1394 cables have more and more come into use.
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