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In 1978 , the company introduced an external - inch floppy disk drive , the Disk II , attached via a controller card that plugs into one of the computer 's expansion slots ( usually slot 6 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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