Primary and Secondary storage

Primary and Secondary storage

1. secondary storage

   • Secondary storage is any storage not under direct control of the cpu
   • Hard Drive
     • pros
       • Large storage capacity
         • fast access to read and write data
           • Inexpensive to manufacture
     • cons
       • Data can be lost by magnetic field or mechanical problems
   • USB Stick
   • Solid State drive
   • CD

2. primary storage

3. key task

   • virtual memory combines the computers ram with tempoary space on the hard disk