Ram, Rom and virtual memory

Ram, Rom and virtual memory

1. RAM

   • The memory used by the programs that are running, the programs use the memory required to run the software
   • It is used to store instructions that are sent to the CPU to be decoded and executed
   • It is Volatile
   • Random access memory

2. ROM

   • It holds code/ instructions that cannot be changed
   • Read only memory
   • it is normally a hard wired chip on the motherboard
   • It is non-Volatile
   • The BIOS is an example of a ROM chip that holds the instructions of how to boot up the computer system

3. Virtual Memory

   • Its in an extension of RAM
   • It works just the same as RAM
   • It is Volatile
   • It is set up on the hard drive using the page file