PCI Meaning & Definition
In most computing contexts, PCI stands for peripheral component interconnect, a local bus standard developed by Intel. Although PCI buses are no longer the standard, at one time they used 47 pins to connect sound cards, network cards, and video cards to a computer. They were available in 32- or 64-bit versions and able to run at clock speeds of either 33 or 66 MHz. (A 32-bit PCI bus running at 33 MHz would yield a throughput rate of 133 MBps.)
PCI was commonly found in computers manufactured between 1995 and 2005, and many third parties relied on PCI buses to leverage the Plug n Play (PnP) feature of Windows 95 and early Apple Computers. PCI's competitors at the time, Industry Standard Architecture (ISA) and VESA cards, were comparatively much slower and ultimately fell into obsolescence.
PCI is also an abbreviation for the Payment Card Industry. In this context, PCI refers to the development, management, education, and awareness of regulations related to credit and debit cards. The PCI Security Standards Council (PCI SSC) is the governing organization that has published and enforced the PCI Data Security Standards (PCI-DSS) since 2006. Members of the PCI SSC include Visa, Mastercard, American Express, Discover, and JCB.
Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia. Join to subscribe now.
From A3 to ZZZ we list 1,559 text message and online chat abbreviations to help you translate and understand today's texting lingo. Includes Top... Read More »Huge List of Computer Certifications
Have you heard about a computer certification program but can't figure out if it's right for you? Use this handy list to help you decide. Read More »
Computer architecture provides an introduction to system design basics for most computer science students. Read More »Network Fundamentals Study Guide
Networking fundamentals teaches the building blocks of modern network design. Learn different types of networks, concepts, architecture and... Read More »The Five Generations of Computers
Learn about each of the five generations of computers and major technology developments that have led to the computing devices that we use... Read More »