Which laptop expansion card type connects to both the PCI and USB bus and comes in both 34 millimeter and 54 millimeter sizes??
B) PC Card
The answer: D) ExpressCard
The ExpressCard standard expanded on the CardBus architecture by connecting to both the PCI bus (over a PCI Express x1 lane) and the USB 2.0 bus of the laptop. This provided a large bandwidth increase over other card types and provided options for 34mm and 54mm laptop expansion cards.
Want to know more? Watch “Laptop and Portable Technologies.”|
Although laptop and portable devices often provide similar functionality to desktop PCs, there are some important differences to consider for the CompTIA A+ exam requirements. In this video we’ll discuss some of these differences such as form factors, expansion slots, input devices, and power.