The document discusses computer motherboards and their components. A motherboard is the central component that connects all other parts of a computer. Motherboards vary in size and arrangement of onboard components like connectors for expansion cards, storage devices, and peripherals. Common motherboard form factors include AT, ATX, MicroATX, and others.

1. Computer Maintenance

2.  The part of the computer to which every other
component is connected.
 Known as the heart of the computer.
 Most motherboards contain some built-in
components.

3.  Difference is size, arrangement of components
onboard, and other details.
 AT, ATX, MicroATX, LPX, NLX, BTX

10. ISA PCI

14. IDE CONNECTORS SATA CONNECTORS
FLOPPY CONNECTOR