Why do RAM sticks need to be separated in the DIMM slots?

z640_ Only DIMM 1 Memory Slot works dimm slot 3D DIMM Slot dimm slot Memory slot, also known as a RAM slot or memory socket They feature 288 pins for desktop modules and 260 pins for SO-DIMM slots, with reduced

dimm2 slot A memory slot, memory socket, or RAM slot allows RAM (random DIMM for laptop computers