In one word, "Computer Science".
Artificial Intelligence(AI) and Machine Learning(ML) are major breakthroughs which computer science has unveiled. Industries are making their products better by allowing machines to improve themselves by using ML. In future, technology improvement will be majorly done by machine themselves without requiring human intervention.
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The biggest advancements are being done in computer engineering. Faster processors and more intelligent boards are enabling devices to be faster and have more content.
Computer Science/ Machine level programming