Ram and Rom and storage

Ram and Rom and storage

1. RAM

   • random access memory
   • short term memory
   • stores data for software programs
   • The CPU can read and write inside the ram
   • ram is volatile
   • modern ram 4 to 16 gb

2. ROM

   • read only memory
   • long term memory
   • stores BIOS
   • the bios contains programs that allows the computer hardware to run correctly
   • non volatile

3. Solid state drive

   • faster than magnetic drives
   • more durable because of no moving parts
   • more expensive than magnetic drives

4. Hard disk drive

   • cheaper data storage than solid state
   • much larger storage capacity
   • less durable than solid state because of moving parts

5. Opticle

   • small and easy to move around
   • comes in different types (CD ,DVD, Blu-ray)
   • can be scratched easily