A technician troubleshoots a broken PC only to find that a strong burning odor is coming
from inside the case. Which of the following parts MOST likely experienced a level of
electrical burn?

A.
PSU
B.
Processor
C.
CMOS battery
D.
Hard drive
Explanation:
Reference:
http://forums.thinkbroadband.com/hardware/4194025-that-acrid-electrical-burningsmell.html?fpart=all&vc=1