1.2 Memory

1.2 Memory

1. CPU=Central processing unit

   • RAM=Random Access Memory
     • Volatile=Gets emptied when the power is turned off
       • ROM=Read only memory
         • Firmware=Permanent software programmed into ROM
           • NON VOLATILE=Doesn't lose data when the data is turned off
             • BIOS=Basic input/output system contains programs to load Hardware
               • Disk Thrashing=When a computers virtual memory subsystem is in a constant state of paging

2. Flash memory

   • Hard disk=magnetic storage device(non volatile holds all of your files and program

3. CPU=CENTRAL PROCESSING UNIT

   • RAM=RANDOM ACCESS MEMORY