קופסה שחורה
Hebrew
Etymology
From קופסה (kufsá, “box”) + שחורה (sh'khorá, “black”), hence literally “black box”; a calque of English black box.
Noun
קופסה שחורה • (kufsá sh'khorá) f
- (aviation and transport) A black box: a device that records the activity data of an aircraft or other vessel.
- (engineering) A black box: a device whose input and output characteristics are known but whose internal workings are unknown or ignored.