The CPU executes the basic logic, arithmetic, controlling as well as input/output (I/O) operations specified by the instructions in the desktop programs. It is also known as a central processor or the main processor. CMOS (Complementary Metal-oxide-semiconductor) batteryĬPU is the electronic circuitry in a computer that executes instructions that make up a program.IDE (Integrated Drive Electronics) controller.ISA (Industry Standard Architecture) slot.PCI (Peripheral Component Interconnect) slot.
