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Why did the first issue of the ACM’s magazine Communications of the ACM come out in 1960?
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The ACM was founded in 1947, and the first issue of Communications of the ACM came out in 1960. The ACM is the world's largest professional association for computer scientists and those interested in computing. The ACM publishes a number of journals, including the flagship journal Communications of the ACM, which has been published continuously since 1960.