COMPUTER FUNDAMENTALS

Detailed explanation-1: -The PCI Express (PCI-E) expansion slot standard was introduced in 2002 to replace PCI and AGP expansion slots (below). The PCI-E uses a high-speed serial bus to transmit small pieces of data in succession and a switched communications pathway, allowing multiple devices to talk simultaneously.

Detailed explanation-2: -Peripheral Component Interconnect, or PCI, is the most common way to attach add-on controller cards and other devices to a computer motherboard. This type of connector originated in the early 1990s, and is still in use today. Presently, there are three main PCI motherboard connectors (usually referred to as “slots".)

Detailed explanation-3: -Developed by Intel Corporation, the Peripheral Component Interconnect standard (PCI) is an industry-standard, high-speed bus found in nearly all desktop computers. PCI slots allow you to install a wide variety of expansion cards including: Graphics or Video cards. Sound cards.

Detailed explanation-4: -In the picture below is an example of what expansion slots may look like on a motherboard. In this picture, there are three different types of expansion slots: PCI Express, PCI, and AGP.