Texto da Questão:
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Researchers at the University of Alabama at Birmingham suggest that brainwave-sensing headsets, also known as EEG or electroencephalograph headsets, need better security after a study reveals hackers could guess a user’s passwords by monitoring their brainwaves.
(Disponível: <https://www.sciencedaily.com/releases/2017/07/170701081756.htm>
Sobre a sigla EEG, considere as seguintes expressões:
1. Brainwave-sensing headsets.
2. Electroencephalograph headsets.
3. User’s passwords.
É/São expressão(ões) que substitui(em) a sigla EEG:
