Which is a small circuit board where RAM chips usually reside is inserted into the motherboard?

The small circuit board where RAM chips typically reside is called a RAM module or memory module, with the most common type being the DIMM (Dual Inline Memory Module) for desktops and SO-DIMM (Small Outline DIMM) for laptops. These modules are inserted into the motherboard's DIMM slots, allowing the computer to access and utilize the installed memory for processing tasks.