jukebox
A device that stores numerous CD-ROMs and uses a mechanical arm, carousel or other device to bring the disk to an optical station for reading and writing. A jukebox can reside in a PC or be an external device. Some of the larger jukeboxes hold as many as 500 disks and have multiple readers and drives to allow a network of users to simultaneously access data.
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- jumbo frame
Jumbo frames are large IP frames used in high-performance networks to increase performance over long distances. Jumbo frames is the term used most often to mean 9000 bytes for Gigabit Ethernet but can refer to anything over the IP MTU (Maximum Transmission Unit) which is 1500 bytes on an Ethernet.
- jumper
)A metal bridge that closes an electrical circuit. Typically, a jumper consists of a plastic plug that fits over a pair of protruding pins. Jumpers are sometimes used to configure expansion boards. By placing a jumper plug over a different set of pins, you can change a board’s parameters.
- jumpstation
1. A Web jumpstation is an organized and annotated collection of external related links published within a Web site. For example, if you had a Web site about fishing, your compilation of hyperlinks to related fishing sites on the World Wide Web could be referred to as a fishing jumpstation. You will find that some […]
- justification
Alignment of text along a margin. To produce good-looking justification, the word processor and printer must be capable of microspacing; that is, they must be able to separate letters by less than a full space. In addition, justified text always looks better when a proportional font is used. Vertical justification refers to adjusting the vertical […]
- justify
In word processing, to align text along the left and right margins.