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Technological Knowledge Similar MCQs

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Selected MCQ

Current Question
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 1
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 2
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 3
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 4
Which emerging tech generates realistic human images and voices via deep learning?
  • A. Blockchain
  • B. Generative AI (e.g., GANs)
  • C. Quantum computing
  • D. Fiber optics
Correct Answer: B
Explanation:
Generative AI models such as GANs can generate realistic synthetic images, audio, and text.
Related Question 5
Which type of malware encrypts a user’s data and demands payment?
  • A. Ransomware
  • B. Spyware
  • C. Adware
  • D. Rootkit
Correct Answer: A
Explanation:
Ransomware locks or encrypts data and demands payment (ransom) for the key.

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