Memory

Memory

1. ROM

   • Stores the programs needed to boot up the computer
   • Small in memory capacity
   • Contents are not lost when computer is turned off
   • can only be read from
   • Read only memory

2. Secondary storage

   • long term storage for data
   • refers to any storage
   • there are three types of secondary storage
     • solid state
     • magnetic
     • Optical
       • Optical
         • disks are cheap to manufacture
         • storage capacity is very small
         • fairly durible, safe to store data in for long periods of time
         • very portable because there light and small

3. RAM

   • Large in memory capacity
   • Contents are lost when computer is turned off
   • stores programs and data currently in use
   • Random access memory