Computer Parts - Hardware There are many parts that work together to make a computer work. Hardware Physical parts of the computer, including processor and memory chips, input/output devices, disks, cable, etc. 1? CPU = PROCESSOR The Central Processing Unit. Its also called Processor. The nowadays processors work faster than the fastest calculator you can imagine. There are two main processor manufacturers: Intel and AMD. 2? Computer Case Contains the major components of the computer. It helps protect them. 3? Power Supply It is the component that supplies power to a computer. You connect a power cable to it. 4? Motherboard It is the main circuit board of the PC. You can find the main PC components connected to the motherboard: the processor, the memory modules, the graphic card and so on. Front of the Computer Case 5? Graphic Card It connects the computer to the monitor. It is a circuit board attached to the motherboard that contains a type of memory and other circuitry necessary to send information to the monitor for display on screen. 6? It connects the computer to the speakers or the headphones and to receive the sound from the microphone, mainly. It is a circuit board attached to the motherboard. Sound card 7? RAM Memory It is a part of a computer that retain data for some period of time while the computer is on. It is internally attached to the motherboard. 8? Touchpad A pressure-sensitive and motion sensitive device used in laptops in place of a mouse. 9? Compact Disk A type of optical storage device. Hard Disk Magnetic storage device in the computer. 10? Network Card A circuit board that connects the computer to the rest of the network usually using special cables.