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Difference between Primary storage and secondary storage?
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Main memory: only large storage media that the CPU can access directly.
Secondary storage: extension of main memory that provides large nonvolatile storage capacity.
  asked by: projectpop2009  on: Mar 10, 2009  
Answers ( 1 )

Primary is were the operating system and other files are stored which is usually the hard drive. Secondary is a second hard drive or a CD/DVD ROM or 3 1/4 inch floppy drive or any other type of device that stores data. * Primary storage is usually RAM; ~10ns access time* Secondary storage is usually hard disk drives; ~10ms access time# Secondary storage is persistent.# Databases are stored in secondary memory and large databases are manipulated in secondary storage.

  suneaik   answered on：Mar 12, 2009  0 comments
 
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