“Big Blue” machines Crossword Clue

 The answer to the crossword clue "“Big Blue” machines" is IBM.

IBM is an acronym for International Business Machines Corporation, a multinational technology company headquartered in Armonk, New York. The company is known for its mainframe computers, which are large and powerful computers that are used for complex tasks such as data processing and scientific computing.

The nickname "Big Blue" was first used in the 1980s to describe IBM's mainframe computers. The nickname is said to have originated from the company's corporate color, which is blue.

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