Complete the following sentences by dragging the words from the list below into the spaces provided. When you have finished, click the Check button. After five attempts, you will be ableto see the correct positions.
is used to store data and programs in use by the computer.
hard disk drive
paging file
least used
. If there is not enough memory 
on the 
Moving the data in and out of memory
disk thrashing
Well done! They are all correct.
the execution of the program.
The memory can be divided into chunks called
If the memory is very low then the computer may have to continually swap data in and out.
This is called
to load more data, some is moved to a 
The data that is swapped out is the 
The need for virtual memory