Which type of memory has an essentially limitless capacity?

A long term memory

Explanation:

A memory is used to store information for a given period in a computer.

A long term memory is a memory wihich is not limited, the amount of information it carries is limitless. A long term memory can be said to have an essentially limitless capacity.

A type of long term memory is the computer's hard disk where information is stored permanently. The storage capacity of a long term memory is said to be unlimited, and the information may be able to last for a very long time.