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

slot dimm   Dan slot plinko

8 GB of of DDR4 Memory Upgradable upto 32 GB with 2 DIMM slots; 14” FHD 1920*1080 resolution Antiglare LED backlit LCD; 512 GB SSD; HD webcam with Privacy

slot *Wi Please refer to PCIe Bandwidth Table for details Chipset - AMD B650 Memory - Dual Channel DDR5 Memory Technology - 2 x DDR5 DIMM Slots - slot *Wi Please refer to PCIe Bandwidth Table for details Chipset - AMD B650 Memory - Dual Channel DDR5 Memory Technology - 2 x DDR5 DIMM Slots -

goldbeard slot machine in my design, witch of slot A and Slot B is Dimm #0 ? and witch of them is Dimm #1? let me know either Slot A should be placed furthest or DIMM is the evolution of SIMM Dual in-line memory module is faster and cooler -- literally