Tessolve Semiconductor Senior Data Analyst Interview Questions and Answers

Array based questions

Q1. What is CNN? What is back propagation?
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Q1. What is Adaboost?
Ans. 
Adaboost is a machine learning algorithm that combines multiple weak learners to create a strong learner.
• Adaboost stands for Adaptive Boosting.

• It works by adjusting the weights of incorrectly classified instances so that subsequent weak learners focus more on them.

• The final prediction is made by combining the predictions of all the weak learners, weighted by their accuracy.

• Example: Adaboost is commonly used in face det
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Q2. Print the binary tree in different order
Ans. 
Printing a binary tree in different orders
• Use inorder traversal to print the binary tree in ascending order

• Use preorder traversal to print the binary tree in root-left-right order

• Use postorder traversal to print the binary tree in left-right-root order
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Q1. Experience with Power BI
Ans. 
I have experience using Power BI to create interactive visualizations and analyze data.
• Created interactive dashboards to track key performance indicators

• Used Power Query to clean and transform data for analysis

• Utilized DAX formulas to calculate metrics and create custom measures
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