ROM, RAM and Virtual Memory

ROM, RAM and Virtual Memory

1. ROM

   • Rom stands for 'Read Only Memory'
   • It stores the start up program
   • It is non-volatile

2. Virtual Memory

   • It is volatile
   • It stores data in part of the hard drive when the RAM is full
   • Virtual Memory is called called virtual memory because it's an extension of RAM

3. RAM

   • RAM stands for'Read Only memory'
   • It is volatile
   • It stores data from the open applications