The register size additionally describes the type of software or instructions and instructions a chip can run. That is, processors with 32-bit inside registers can run 32-bit directions that are processing 32-bit chunks of data, however processors with 16-bit registers cannot. Most superior processors today—chips from the 386 to the Pentium III—use 32-bit internal registers and can due to this fact run the identical 32-bit working methods and software program. The chip set establishes how much reminiscence can be added to a motherboard. The chip set also determines the type of connectors on the motherboard. Additionally, practically all motherboards include logic and connectors to assist commonly used input units, corresponding to PS/2 connectors for a mouse and keyboard.