An organization wants to increase the amount of ram on their computers. all the computers have four memory slots but only two slots in each computer are populated. they want to add one more memory module to the older computers, and two additional modules to the newer computers. the older computers have three blue slots and one black slot. which memory type will maximize the number of dimms the memory controller can access at the same time in both, the older and newer computers?
A) DDR3
B) DDR4
C) Dual-channel
D) Quad-channel