You are upgrading the memory of a dualchannel architecture c

You are upgrading the memory of a dual-channel architecture computer that currently has two sticks of SDRAM DDR3 by adding an identical third stick. As you are about to close the computer case, your supervisor comes by and tells you that your upgrade won’t be successful. What does he tell you is the problem?

A. The computer you are working on uses dual-channel memory and memory upgrades must always be installed in pairs.

B. When you upgrade a computer’s memory, you must reseat the other memory modules.

C. Before upgrading a computer’s memory, you must change the BIOS setting to recognize the additional memory.

D. SDRAM DDR3 memory only comes as single-channel modules, and these modules must be installed in pairs in a computer using dual-channel architecture. You must add another stick of memory.

Solution

A. The computer you are working on uses dual-channel memory and memory upgrades must always be installed in pairs.

Dual channel architecture computer comes with 4 slots with two slots identical in colour . So whenever you ar going to update the memory you have to update pairwise ( that are in same colour slot) . Performance of PC is enhanced by enhancing the data rate 16 times in dual channel computers.