Memory

Memory

1. Ram

   • Random access memory
   • Deletes after turned off
     • Volatile
   • Fast
   • stores programs, applications and data

2. Rom

   • Read only memory
   • Stays after turned off
     • Non-volatile
   • Stores the instructions for the computer to start up when it is turned on again.

3. Cache

   • special storage space for temporary files
   • makes a device, browser, or app run faster
   • cache stashes files, images, and other pertinent data on your device after opening an app or website for the first time
   • Cached data is used to quickly load an app or website for every subsequent visit
   • A cache makes it easy to quickly retrieve data
   • deletes after turned off
     • volatile

4. virtual memory

   • Used when RAM is full
   • data from RAM is transfered to virtual in order to make more room for more data in RAM
   • when data is needed from virtual it is tranfered back to RAM
   • deletes after turned off
     • volatile