Practice Text Preprocessing - 11.4.2 | 11. Natural Language Processing (NLP) | CBSE Class 12th AI (Artificial Intelligence)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is tokenization?

💡 Hint: Think about how you can break a sentence into words.

Question 2

Easy

Name one example of a stopword.

💡 Hint: These are common words often removed in preprocessing.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does tokenization achieve?

  • Removes common words
  • Splits text into tokens
  • Reduces words to root form

💡 Hint: Think about the action done on the text.

Question 2

True or False: Stopword removal only focuses on nouns.

  • True
  • False

💡 Hint: Consider if stopwords include other types of words.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given the text 'The quick brown fox jumps over the lazy dog', write Python code to tokenize, remove stopwords, and apply stemming.

💡 Hint: Consider which libraries you need for each step in Python.

Question 2

Explain how you would evaluate the effectiveness of your text preprocessing on a machine learning model.

💡 Hint: Think about comparing model performance with and without preprocessing steps.

Challenge and get performance evaluation