Primary Storage

Question 1

RAM (random access memory)

Answer 1

RAM is used for the temporary storage of currently running programs or data, it consists of a large number of store locations which all have their unique addresses. The data in each store can be changed but data is lost once the computer is switched off

Question 2

ROM (read only memory)

Answer 2

ROM is the permanent store of data, the data in each store cannot be changed. The data is permanent so it isn’t lost when turned off

Question 3

Flash memory

Answer 3

Flash memory is used for the permanent storage of data, however the data in the flash memory can be changed. Flash memory is permanent and isn’t lost when the device is turned off

Question 4

RAM cache memory

Answer 4

This is used for the temporary storage of frequently accessed data and instructions. It consists of small numbers of stores that can be accessed quickly by the cpu. Cache memory is volatile.