In what memory are programs and data stored when the computer is running?

In what memory are programs and data stored when the computer is running? If the computer is turned off, what memory is lost?

A computer has two types of memory, external and internal. External include: flash drives, CD and DVD disks, etc. Internal include: hard drive and RAM. At the time of work, the data is stored in the RAM and at the moment the computer is turned off, the RAM is cleared.



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