| Word |
Definition |
| JEIDA |
Japanese Electronic Industry Development Association. A Japanese standards organization. |
| JSA |
Japanese Standards Association. |
| JUNET |
Japan UNIX Network. |
| JPEG |
Joint Photographic Experts Group. A format for storing high-quality color and grayscale photographs in bitmap form; also the group that developed the format. JPEG provides lossy compression by segmenting the picture into small blocks which are divided to get the desired ratio; the process is reversed to decompress the image. JPEG uses the JPEG File Interchange Format, or JFIF. |
| Joint Photographic Experts Group |
(JPEG.) A format for storing high-quality color and grayscale photographs in bitmap form; also the group that developed the format. JPEG provides lossy compression by segmenting the picture into small blocks which are divided to get the desired ratio; the process is reversed to decompress the image. JPEG uses the JPEG File Interchange Format, or JFIF. |
| JFIF |
JPEG File Interchange Format. |
| joule |
A unit of work or energy equal to 10,000,000 ergs, or the work done by a force of one newton acting through a distance of one meter. Named for James Joule, English physicist. |
| JTC1 |
Joint Technical Committee for information technology, created by ISO and IEC. It is comprised of standards organizations from over 75 countries, and is involved with setting standards for information processing. |
| Joint Technical Committee |
JTC1, created by ISO and IEC. It is comprised of standards organizations from over 75 countries, and is involved with setting standards for information processing. |
| jack in |
To enter a virtual reality simulation by means of a computer. A term which comes from cyberpunk science fiction and originally referred to plugging in electrodes to interface the brain directly with a virtual reality. |