Selected MCQ

Current Question
Which of the following is an example of a supervised learning algorithm?
  • A. K-Means clustering
  • B. Decision Tree
  • C. Apriori algorithm
  • D. PageRank algorithm
Correct Answer: B
Explanation:
A decision tree is a supervised learning method for classification/regression.
Related Question 1
Which of the following tasks is an example of unsupervised learning?
  • A. Predicting housing prices
  • B. Grouping customers by purchasing behavior
  • C. Classifying emails as spam or not
  • D. Translating text from English to French
Correct Answer: B
Explanation:
Clustering customers by behavioral similarity is an unsupervised learning task, since no labels are provided.
Related Question 2
Which of these is a type of unsupervised learning algorithm?
  • A. Decision tree
  • B. K-means clustering
  • C. Logistic regression
  • D. Random forest
Correct Answer: B
Explanation:
K-means is a clustering algorithm used in unsupervised learning.
Related Question 3
Which of the following is an example of Augmented Reality (AR)?
  • A. Oculus VR headset
  • B. Pokemon Go app overlaying images on camera view
  • C. Watching 3D movies
  • D. Using a fitness tracker
Correct Answer: B
Explanation:
Pokémon Go overlays game images onto the real world through a phone camera (AR).
Related Question 4
Which algorithm is best suited for classification tasks in machine learning?
  • A. Linear regression
  • B. K-means
  • C. Support vector machine
  • D. PCA
Correct Answer: C
Explanation:
Support Vector Machine is commonly used for classification problems.
Related Question 5
Which of the following is an example of a data warehousing platform?
  • A. Hadoop HDFS
  • B. Amazon Redshift
  • C. MySQL Workbench
  • D. SQLite
Correct Answer: B
Explanation:
Amazon Redshift is a cloud data warehouse service for analytics.