1.2 memory

1.2 memory

1. CPU

   • central processing unit

2. RAM

   • random access memory
     • not stored when device is turned off
       • volatile

3. ROM

   • Read only memory
     • Non-volatile
       • stays on the computer when turned off

4. Bios

   • Basic input/output system
     • contains programs to load the hardware

5. virtual memory

   • located in the hard-disk
     • is secondary storage
       • temporary storage

6. firmware

   • permanently stored in the R.O.M

7. disk thrashing

   • when a computers virtual memory is in a constant state of paging

8. flash memory

   • hard disk magnetic source

9. volatile

   • gets emptied when power is turned off

10. non-volatile

    • does not lose data when power off