Answer:
For me it's,
Meditation,
Hobbies,
Or Spending time with family
Explanation:
Meditation is nice, it helps you relax and unwind
Hobbies are good because you work on something you're passionate about, mine is art.
Or spending time with family because it's fun and a nice to spend time with the people you love.
The correct sentence is the second one "She built a high-performance CPU".
The first sentence should not contain a comma and is incorrect. The third sentence is incorrect because there shouldn't be a dash before CPU. The fourth sentence is incorrect because CPU is not written with dashes.