An acronym is an abbreviation of the first letters of a phrase or the long name of an organization that forms a word or conveys a message. In electronic communication or online documents, acronyms are used as writing shorthand or a method to communicate humor. Below, you will find an alphabetical listing for hundreds of computer related acronyms. 

[A][B][C][D][E][F][G][H][I][J][K][L][M][N][O][P][Q][R][S][T][U][V][W][XYZ]

[J]

JBIG - Joint Bi-level Image Expert Group
JDK - Java Development Kit
JEITA - Japan Electronics and Information Technology Association
JFIF - Joint File Interchange Format
JFET - Junction Field Effected transistor
JIPA - JUMPtec Intelligent Panel Adaptation
JIT - Just In Time
JPEG - Joint Photographic Expert Group
JRC - JUMPtec Remote Control
JRE - Java Runtime Environment
JSP - Java Server Pages
JST - Japanese Solderless Terminals
JTC1 - Joint Technical Committee 1
JVM - Java Virtual Machine