A Tour inside a Desktop PC:
The Motherboard
The motherboard is mounted inside the
computer case and is securely attached via small screws through
pre-drilled holes. All of the components in a computer connect to the
motherboard in one way or another.
Expansion Cards: Motherboards usually contain a number of slots for
internal peripheral cards like video cards and sound
cards to connect to.
Back Panel Connectors: The back panel connectors extend out the back of the case
for connection to external peripherals.
CPU & Memory Sockets: The CPU and memory connect directly to
the motherboard via the CPU socket connector and memory slots.
Storage Drive Connectors: Storage devices are connected via cables to the
motherboard. There are special connectors for floppy drives, optical
drives