As the main interface for attaching different hardware components to the motherboard, peripheral component interface (PCI) slots have long been a mainstay of computer architecture. PCI slots changed the way devices like network interfaces, sound cards, and grummycircleraphics cards were integrated into personal computers when they were first introduced in the early 1990s. Their architecture made it possible for the motherboard and peripheral devices to communicate using a standard method, which improved computer performance & expandability while also streamlining the manufacturing process. PCI Express (PCIe), which has essentially replaced the original PCI standard, is one example of a more advanced version of PCI that has developed as a result of advancements in technology.
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