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Definitions

mainframe

[meyn-freym] / ˈmeɪnˌfreɪm /
NOUN
central processing unit
Synonyms






Example Sentences

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They include a nugget from the California gold rush; an 1879 lightbulb by Thomas Edison; a mainframe component from ENIAC, the first general-purpose electronic computer that was built in 1946 and weighed 30 tons.

From Barron's • May 29, 2026

“It was a shot to the heart and the chest and the mainframe with Luka,” James told reporters.

From Los Angeles Times • Apr. 9, 2026

There is a perception that IBM’s mainframe business could be threatened by AI.

From Barron's • Mar. 27, 2026

“IBM’s customers have had ample opportunities to migrate off of mainframe and are sticking with the platform given inherent advantages.”

From MarketWatch • Feb. 24, 2026

The university’s enormous mainframe computers stood in the middle of a vast white room, looking, as one faculty member remembers, “like one of the last scenes in the movie 2001: A Space Odyssey.”

From "Outliers" by Malcolm Gladwell




Vocabulary lists containing mainframe


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