What is an Expansion Slot and How Does It Work?

DOS Program Driving ISA Slot Board Directly - isa slot function ISA is the oldest of all these and today's computers still have a ISA bus interface in form of an ISA slot on the main board function with 64- isa slot function Expansion cards, inputoutput cards and other hardware upgrades that use the ISA or PCI protocol allow users to customize their computers to meet their specific

isa expansion slot NIC ❑ Network card is an expansion card that you insert into an PCI or ISA slot of computer to enable it connect to a network