secondary storage

secondary storage

1. RAM

   • Stand sfor random access memory
   • Short term memorry of the computer
   • Stores data dor programs currently open
   • The CPU can READ and WRITE data inside the RAM
   • RAM is volatile, when the computer shuts down the RAM is cleared

2. ROM

   • ROM stands for read only memory
   • CPU will not WRITE to ROM
   • ROM is long term memory to the BIOS
     • Stores the BIOS - Basic Input Output System
   • ROM is non volatile, it is saved when the computer is turned off
   • The BIOS contains programs that allowthe computer hardware to run correctly.

3. SSD

   • Durable
   • Faster than a Hard Drive
   • Expensive

4. Magnetic

   • Much cheaper data storage than solid state
   • Much larger storage capacity
   • Less durable than solid state drive

5. Optical

   • Small and easy to move around
   • Come in different types
   • Can be scratched easily