Which of the following statements about overflow and underflow in numerical calculations is correct? (Multiple choice)

• A.Overflow occurs when a large number of levels are approximated as 1P or - 1P
• B.Underflow occurs when the number close to zero Is rounded to zero
• C.Overflow occurs when the number close to zero 1s rounded to zero
• D.Underflow occurs when a large number of levels are approximated as 1P or - 1P

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Which of the following are the characteristics of TensorFlow? (Multiple choice)

• A.Open source
• B.Convenience
• C.Flexible
• D.Mature

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The training error will continue to decrease as the model complexity increases.

• A.FALSE
• B.TRUE

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There are many business applications of machine learning services. What are the common businesses covered?

• A.retention of telecommunications customers
• B.retailer grouping
• C.predictive maintenance
• D.financial product recommendation

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K Folding cross-validation refers to dividing the test data set into K Sub-data sets.

• A.FALSE
• B.TRUE

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