A technician made several upgrades to a computer and then determined the power supplied by the PSU is insufficient. Which of the following would most likely cause the Insufficiency? (Select two).

Rationale

Adding an optical drive and upgrading the graphics card would most likely cause the insufficiency.

Both upgrades typically demand significantly more power than standard components, leading to an increased load on the power supply unit (PSU). Optical drives and high-performance graphics cards can require substantial wattage, particularly if the existing PSU is already near its limits.

A (Replacing the HDD with an SSD) YOUR ANSWER

Replacing a hard disk drive (HDD) with a solid-state drive (SSD) generally results in lower power consumption. SSDs are more energy-efficient than HDDs, which can actually decrease the overall load on the PSU rather than increase it. Hence, this change is unlikely to cause insufficiency.

B (Upgrading the firmware) YOUR ANSWER

Upgrading firmware is a software-related task that does not influence the hardware power requirements. This process does not add any new components or increase the power load on the PSU, so it cannot contribute to the insufficiency issue.

C (Adding an optical drive) CORRECT

Adding an optical drive increases the number of components drawing power from the PSU. Optical drives, especially during read/write operations, can demand a significant amount of power, making this a likely cause of insufficient power supply.

D (Adding more RAM) YOUR ANSWER

While adding RAM does increase power consumption, the additional load is typically minimal compared to other components. Modern RAM modules are designed to be energy-efficient, and the total power increase is unlikely to push the PSU beyond its capacity.

E (Adding a CMOS battery) YOUR ANSWER

Adding a CMOS battery has a negligible effect on power consumption since it primarily functions to maintain BIOS settings and requires very little power. This addition would not contribute to a significant increase in load on the PSU.

F (Upgrading the graphics card) CORRECT

Upgrading to a more powerful graphics card is one of the most common reasons for increased power requirements. High-performance graphics cards can consume a substantial amount of wattage, making this an evident cause of PSU insufficiency.

Conclusion

In summary, adding an optical drive and upgrading the graphics card are the two modifications most likely to create an insufficient power supply situation. Both upgrades significantly increase the power demand on the PSU, while the other choices either reduce power consumption or do not impact it meaningfully. Understanding these power dynamics is essential for ensuring that the PSU meets the needs of upgraded components.

A technician made several upgrades to a computer and then determined the power supplied by the PSU is insufficient. Which of the following would most likely cause the Insufficiency? (Select two).

Adding an optical drive and upgrading the graphics card would most likely cause the insufficiency.

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