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Early microcomputers such as the 1975 Altair 8800 also relied on front panels , but since the introduction of the Apple II , TRS-80 , and Commodore PET during the home computer boom of 1977 , the vast majority of microcomputers came with keyboards and connections for TV screens or other monitors .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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