A dimm is a small computer part that helps your computer remember things. It's like a little book that your computer uses to write down information it needs to remember. This information can be things like pictures, videos, music, and other important files.
The dimm fits into a special slot in your computer called a memory slot. Think of it like a puzzle piece that only fits in one specific place. Once you put the dimm in the memory slot, your computer can access the information it needs faster than if it had to search for it on the hard drive.
So, when your computer is working on something, it can use the information stored on the dimm to help it work faster and more efficiently. It's like a little helper that makes sure everything is running smoothly. Without a dimm, your computer would have to work much harder to remember everything it needs, which would slow it down and make it harder to use.