Steve adds a second 1-gb 240-pin dimm to his pc, which should bring the total ram in the system up to 2gb. the pc has an intel core 2 duo 3-ghz processor and three 240-pin dimm slots on the motherboard. when he turns on the pc, however, 1 gb of ram shows up during the ram count. which of the following is most likely to be the problem? a. steve failed to seat the ram properlyb. steve put ddr sdram in a ddr 2 slotc. the cpu cannot handle 2 gb of ramd. the motherboard can use only one ram slot at a time