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primary storage

 
Sci-Tech Dictionary: primary storage
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(′prī′mer·ē ′stör·ij)

(computer science) Main internal storage of a computer.

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Computer Desktop Encyclopedia: primary storage
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The computer's internal memory, which is typically made up of dynamic RAM chips. Until non-volatile RAM, such as magnetic RAM (MRAM), becomes commonplace, the computer's primary storage is temporary. When the power is turned off, the data in primary storage are lost. Contrast with secondary storage. See dynamic RAM and static RAM.

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