jagged edge

An edge that is not smooth, showing a staircase effect, due to low resolution, color limits, and lack of antialiasing functions.

job

A process or task that is currently running on the system.

job queue

The schedule which determines which jobs will receive CPU time and the order in which they will receive time.

join

The process of combining two files into one larger file, equal in size to the additive sizes of the source files.

JOVE

Jonathan's Own Version of EMACS.

joystick

A handheld device that allows the user to direct activity using a small directional keypad or stick controller.

JPEG

A lossy 24 BIT compression format for pictures. Pictures converted to JPEG format will suffer some reduction in quality, although this often will not be noticed by the human eye.

jumper

A hardware connection which is adjustable by the user, often by moving a small pin on a motherboard or expansion card.

justification

The spacing used to determine whether words or chatacters are centered, aligned to the left, aligned to the right, or aligned on both sides.

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