📊 Data Science
Q. What is the primary purpose of a "Mapper" in the MapReduce programming model?
  • (A) To split data into smaller chunks
  • (B) To process and aggregate data from Reducer tasks
  • (C) To store data in the HDFS
  • (D) To visualize data relationships
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✅ Correct Answer: (A) To split data into smaller chunks

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