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Jumper (computing)
In electronics and particularly computing, a jumper is a short length of conductor used to close a break in or open, or bypass part of, an electrical circuit. Jumpers are typically used to set up or configure printed circuit boards, such as the motherboards of computers.
== Design ==
Jumper pins (points to be connected by the jumper) are arranged in groups called ''jumper blocks'', each group having at least one pair of contact points. An appropriately sized conductive sleeve called a jumper, or more technically, a jumper shunt, is slipped over the pins to complete the circuit.
Jumpers must be electrically conducting; they are usually encased in a non-conductive block of plastic for convenience. This also avoids the risk that an unshielded jumper will accidentally short out something critical (particularly if it is dropped on a live circuit).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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