Where is the first place you should start when diagnosing a hardware problem? A. Identify if a particular component is malfunctioning. B. Follow a step-by-step plan. C. Check the power supply. D. Test one thing at a time.

check the power supply

Explanation:

APEX - I just took the quiz :)

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)