Waiting for the bus

Which one of these bus architectures is most commonly seen on laptop or portable devices?

A) PCI

B) PC Card

C) PCIe

D) AGP

E) School

The answer: B) PC Card

Although it has been mostly replaced in favor of CardBus or ExpressCard, the PC Card (or PCMCIA) architecture was a standard for many legacy portable devices.

Want to know more? Watch “Bus Architectures.” An important consideration of the very first IBM personal computer was including standardized expansion slots so the end-user could customize their system. In this video, you’ll learn about bus architectures and expansion slots, including PCI, PCI Express, AGP, and CardBus.