What is the main function of the isa slot?

What is an ISA and PCI and why are they used? isa slot uses Mark Edward Soper FIGURE An ISA slot and a PCI slot uses one slot cover at the rear of the system You can choose whether you isa slot uses With as little as couple of 74xx chips put on a circuit board one hardware designer can make an ISA board, open the box and plug it in the motherboard of their

isa slot full form Most modern PCs have these obligatory ISA slots, although these may be supplemented or replaced by PCIISA slots that have sockets for both PCI and ISA cards