Storage Medium
(floppy disks, Zip disks,
hard disks, CDs)
(floppy disks, Zip disks,
hard disks, CDs)
Storage
How does volatility compare?
p. 350
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ØStorage medium is nonvolatile—contents retained when power is off
Contents
retained
retained
Contents
available to user
Memory
(most RAM)
(chips on motherboard)
(most RAM)
(chips on motherboard)
Screen Display
ON
OFF
Display
disappears
Data
and
instructions available to user
instructions available to user
Display
appears
Data
and instructions erased
ØMemory is volatile—holds data and instructions temporarily