The company formerly known as the computing-tabulating-recording company was IBM.
CTR company was replaced by IBM in the year 1889 and was founded by Herman Hollerith at the end of the 1800s.
IBM was incorporated as a computing-tabulating-recording company in the year 1911.
It was a merger of three minor entities namely, a computing company, tabulating company, and a recording company that was engaged in the manufacturing of punch-card tabulators and various other products.
Therefore, IBM was formerly known as a computing-tabulating-recording company (CTR).
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