CPU ( C entral P rocessing U nit) is the brain of a computer- it tells the other parts what to do.
CPU The control unit The arithmetic unit (ALU) The registers
RAM ( R andom A ccess M emory) is the temporary memory of a computer.
ROM ( R ead O nly M emory) is the permanent memory of a computer.
The Motherboard is the backbone of a computer- all other parts plug into it.
The memory chips CPU Expansions slots Controllers for peripherals