This parts sends signal to other part of the computer to tell them what to do

The input devices which are keyboard, mouse, microphone etc send information to CPU. CPU is the main component which tells it commands other parts of the PC. The information processed in CPU is then transferred to output devices like speakers, monitor, etc. In this process other parts of the PC are also used like the RAM, the storage. All this information is transferred in bits and bytes.,Control unit of the CPU sends signals to other part of the computer to tell them what to do.