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Which computer was the first to use the magnetic drum for memory ?

AIBM - 650

BIBM - 7090

CIBM - 701

DIBM - 360

Answer:

A. IBM - 650

Read Explanation:

The IBM 650 Magnetic Drum Data-Processing Machine is one of IBM's early computers, and the world's first mass-produced computer. It was announced in 1953 and in 1956 enhanced as the IBM 650 RAMAC with the addition of up to four disk storage units.


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