TestOut LabSim A+ Certification Practice Exam

Which of the following is true regarding a dual-channel memory bandwidth configuration?

1. It decreases bandwidth significantly

2. Bandwidth is increased by 5-15%

3. Only one memory controller is required

4. No specific module requirements

The correct answer is: Bandwidth is increased by 5-15%

In a dual-channel memory configuration, the memory bandwidth is indeed increased by approximately 5-15%. This setup allows the memory controller to access two memory modules simultaneously, effectively doubling the data transfer rate compared to a single-channel configuration. The increased bandwidth can enhance overall system performance, particularly in memory-intensive tasks, such as gaming or professional applications that rely heavily on rapid data access. The benefit of increased bandwidth arises from using paired memory modules that are compatible and installed in the correct slots on the motherboard to facilitate dual-channel operation. This configuration can improve the speed at which data is read from and written to memory, leading to a more efficient and faster computing experience.