Memory

Memory

1. ROM

   • What is ROM? ROM is instructions that are non volitile, this means when the computer is turned off the instruction stay.
   • ROM stand for read only memory, ROM cannot be changed by any programed users.
   • ROM stores instructions that are needed to 'boot up' the computer.

2. RAM

   • What is RAM? RAM stores the instructions that are needed whilst the programs are being used.

3. RAM is volitile, this means that when the computer is turned off the data is not stored.

4. RAM is a fast temporary type of data. some example may include; applications and the operating system.

5. virtual memory

   • When the RAM is full we take instructions and keep them in virtual memory until they are needed.
   • A disadvantages for this could be: when instructions are put into virtual memory it means that it will take a long time to load.
   • An advantage could be: it allows more programs at the same time without needing to buy more RAM.
   • Virtual memory is volitile this means when the computer turns of the instructions will go