The three main components of a computer are; Processor Memory Storage
CPU
Usually the Central Processing unit (CPU), the drives, and the video adapter. If you are building a PC, it would be the motherboard, case and power supply. Another way of looking at in would be the...
You are probably talking about the motherboard, which has every device connected to it in some way or another.
keyboard-used to type data/informationmouse-used to click data from the graphical use interfaceram-used to store data /information permanent