Selected MCQ

Current Question
Which element powers the fusion reactions in the Sun?
  • A. Iron
  • B. Helium
  • C. Hydrogen
  • D. Uranium
Correct Answer: C
Explanation:
The Sun fuses hydrogen atoms into helium in its core.
Related Question 1
What is the purpose of a confusion matrix?
  • A. To store model weights
  • B. To summarize classification performance
  • C. To distribute data across GPUs
  • D. To reduce dimensionality
Correct Answer: B
Explanation:
A confusion matrix shows true vs predicted class counts, summarizing classification performance.