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Primary and Secondary Memory

This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.

State

Primary memory is volatile and loses data at power loss; secondary memory is nonvolatile — hard disk drives and solid-state drives — retaining data through failures and providing durability.

Show

A school's records survive the outage on drives; the open spreadsheets did not.

Watch for

The two contracts video 0260 promised, now both named.