Admintoto 12 This scale means that for every 1-inch (2.54 centimeters) on the slot car there are 32 inches (81.28 centimeters) on a full size automobile. Special slot cars are designed for optimum performance on these simulated rally tracks. There are huge variations in motherboards in terms of size, design, compatibility, cases and power supply. Motherboards are classified by the type of processor that they are compatible with. The socket used to hold the CPU is the most important feature of the motherboard because the kind of CPU that is compatible with a particular motherboard determines the overall character of the board. All computer components comm.