1. A computer description of a garbled or otherwise unintelligible sequence of signals or other data.
2. 无意义信号;无用数据
语源
late Middle English (denoting an old or inferior rope): of unknown origin. Sense 1 dates from the mid 19th centmid 16th cent.: from obsolete French juncque or Portuguese junco, from Malay jong, reinforced by Dutch jonk