Natural Language Processing

Daffodil International University\nFaculty Of Science & Information Technology\nDepartment Of Computer Science & Engineering\nCourse Code: CSE 432\nCourse Title: NLP\nQUIZ 1, Fall 2026\nTime: 40 min\n\n1. [7]\nDoc | Text | Class\nD1 | "python code algorithm data" | Technology\nD2 | "neural network deep learning model" | Technology\nD3 | "cricket bat ball wicket match" | Sports\nD4 | "football goal player stadium win" | Sports\nD5 | "rice curry spice cook delicious" | Food\nD6 | "cake sugar butter bake oven" | Food\n\nTest Document: "python data butter cook"\n\n(a) Calculate the Prior Probabilities.\n(b) Calculate the Likelihood of each word in the test document for a classes using Laplace Smoothing.\n(c) Which class does the classifier assign to the test document?\n\n2. [3]\nDoc | Text\nD1 | the cat sat on the mat\nD2 | the dog sat on the log\nD3 | the cat chased the dog\nD4 | birds fly in the sky\n\n(a) Compute the IDF of the terms "the", "cat", and "sky".\n(b) Which of these three terms is the most informative for distinguishing documents, and why?