What does the inside of a computer look like?

Updated: 12/30/2019 by Computer Hope

The inside of a desktop computer is not as complicated as you may think. Below is an example of the major components that make up inside of a computer.

Inside of a computer

Parts of a computer

Information about each of the items pointed out in the picture above are found in the links below.

The expansion cards are often devices such as your video card, sound card, network card, etc. Click on any of the links below for additional information about each of these devices.


It is common for a computer today to have these components built into the motherboard, also referred to as integrated components.

What parts are needed for a computer to work?

A computer does not need all of the components mentioned above. However, a computer cannot work without having at the very minimum the below parts.

Additional information