There is no legal definition regarding artificial intelligence (AI) weapons, no treaties and national legislation define such autonomous weapons system (AWS). In 2013 the US Department of Defense’s (DoD) defined AWS which is the most cited definition till date. The DoD described AWS as a system which once activated can select and engage a target without further human intervention. There are two types of system; one is an automated system, and the other is an autonomous system. An automated system is one which by computer reasons works like a rules-based system. Meaning that in such an order, the scientists fixed some input and output by coding, i.e., for each information, the system output will always be the same; it cannot determine the outcome independently. An autonomous system is one which does not depend on any specific output, meaning that it make guesses according to its sensors data then it could give different output. Such a system works like human intelligence.
Read more here:
https://www.thedailystar.net/law-our-rights/law-vision/news/the-legality-artificial-intelligence-weapons-1794499
