Motherboard, Computer Memory, Central Processing Unit, Power Supply Unit, Graphics Processing Unit, Power Supply, USB Ports, Hard Drive, Floppy Drive, CD-ROM Drive, CD-RW Drive, DVD-ROM Drive, Keyboard, Video Card, Sound Card, Speaker, CPU Fan, Touchpad, Network Cards NIC
I’m sorry if I repeated any or left any out. So much stuff goes into making a computer but I hope this helped!