Which of the following components of a motherboard is responsible for communications between CPU and RAM?
A. North Bridge
B. South Bridge
C. PCIe slot
D. CMOS battery
CompTIA A+ Question E-17
On an ATX motherboard, the 4-pin auxiliary power connector provides which of the following?
A. Additional power to onboard devices
B. Additional power to PCIx peripheral cards
C. Additional power to the South Bridge
D. Additional power to the CPU voltage regulator