Question

d. What are the words that activate the voice-controlled virtual assistant?
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Answer 1

Answer:

To activate a virtual assistant using the voice, a wake word might be used. This is a word or groups of words such as "Hey Siri", "OK Google" or "Hey Google", "Alexa", and "Hey Microsoft".

Explanation:

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Answer 2

「ᴛᴏ ᴀᴄᴛɪᴠᴀᴛᴇ ᴀ ᴠɪʀᴛᴜᴀʟ ᴀssɪsᴛᴀɴᴛ ᴜsɪɴɢ ᴛʜᴇ ᴠᴏɪᴄᴇ, ᴀ ᴡᴀᴋᴇ ᴡᴏʀᴅ ᴍɪɢʜᴛ ʙᴇ ᴜsᴇᴅ. ᴛʜɪs ɪs ᴀ ᴡᴏʀᴅ ᴏʀ ɢʀᴏᴜᴘs ᴏғ ᴡᴏʀᴅs sᴜᴄʜ ᴀs "ʜᴇʏ sɪʀɪ", "ᴏᴋ ɢᴏᴏɢʟᴇ" ᴏʀ "ʜᴇʏ ɢᴏᴏɢʟᴇ", "ᴀʟᴇxᴀ", ᴀɴᴅ "ʜᴇʏ ᴍɪᴄʀᴏsᴏғᴛ".」♡

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Hope its help uhh :)