1.2 Memory

1.2 Memory

1. Keywords

   • CPU
     • Control Processing unit
   • RAM
     • Random Access Memory
     • Volatile
       • All is lost when power is turned off
   • Volatile
     • Gets emptied when power is turned off
   • ROM
     • Read Only Memory
       • Non-Volatile
         • Is saved when the power is turned off
   • Non-Volatile
     • Doesn't loose the data when the device is turned off
   • Bios
     • Basic input/output system
       • Contains programs to load the hardware
   • Disk Thrashing
     • When a computers virtual subsystem is in a constant state of paging
   • Flash memory
   • Hard disk
     • Magnetic storage device
   • Disk thrashing/swapping
   • Portable
     • Can take it with you
   • Internal
     • Inside
   • External
     • Outside
   • Secondary storage
     • Hardware which stores data other RAM or ROM

2. Virtual Memory

   • An area of secondary storage
   • Used like RAM
   • Temporary storage
   • Located on the hard disk