Data Mining MCQs – T4Tutorials.com

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1. Which of the following is applied to a data warehouse?
(A) Write only
(B) Read only
(C) Both A & B
(D) None of these

2. Data can be stored, retrieved, and updated in which of the following?
(A) SMTOP
(B) OLTP
(C) FTP
(D) OLAP

3. Patterns that can be discovered from a given database are which type?
(A) More than one type
(B) Multiple types always
(C) One type only
(D) No specific type

4. Background knowledge is:
(A) A form of automatic learning
(B) A neural network that makes use of a hidden layer
(C) The additional acquaintance used by a learning algorithm to facilitate the learning process
(D) None of these

5. Data mining is:
(A) Time-variant non-volatile collection of data
(B) The actual discovery phase of knowledge
(C) The stage of selecting the right data
(D) None of these

6. Which of the following can also be applied to other forms?
(A) Data streams & sequence data
(B) Networked data
(C) Text & spatial data
(D) All of these

7. What is the output of Knowledge Discovery in Databases (KDD)?
(A) Query
(B) Useful information
(C) Data
(D) Information

8. What is noise in the context of KDD and data mining?
(A) Component of a network
(B) Context of KDD and data mining
(C) Aspects of a data warehouse
(D) None of these

9. Firms that are engaged in sentiment mining are analyzing data collected from:
(A) Social media sites
(B) In-depth interviews
(C) Focus groups
(D) Experiments

10. Which of the following forms of data mining assigns records to one of a predefined set of classes?
(A) Classification
(B) Clustering
(C) Both A and B
(D) None

11. What are the two main objectives associated with data mining?
(A) To find hidden patterns and trends
(B) To store large volumes of data
(C) To manipulate data for better visualization
(D) To secure data from unauthorized access

12. The learning which is used to find the hidden pattern in unlabeled data is called:
(A) Unsupervised learning
(B) Supervised learning
(C) Reinforcement learning
Answer: (A) Unsupervised learning

13. Select the correct statement about adaptive system management:
(A) Science of making machines perform tasks that would require intelligence when performed by humans
(B) Takes some value as input and shows some values as output
(C) Both A and B
(D) Get the benefit from machine learning. The program performs the process of learning by past experience. This experience is helpful in adapting themselves to new problems

14. The learning which is the example of self-organizing maps is:
(A) Reinforcement learning
(B) Supervised learning
(C) Unsupervised learning
(D) Missing data imputation

15. According to the storks’ population size, find the total number of babies from the following example of predicting the number of babies:
(A) Feature
(B) Outcome
(C) Attribute
(D) Observation

16. Which of the following does not belong to data mining?
(A) Knowledge extraction
(B) Data transformation
(C) Data exploration
(D) Data archaeology

17. Which of the following is the right approach to data mining?
(A) Infrastructure, exploration, analysis, exploitation, interpretation
(B) Infrastructure, exploration, analysis, interpretation, exploitation
(C) Infrastructure, analysis, exploration, interpretation, exploitation
(D) None of these

18. Which of the following terms is used as a synonym for data mining?
(A) Knowledge discovery in databases
(B) Data warehousing
(C) Regression analysis
(D) Parallel processing in databases

19. Firms that are engaged in sentiment mining are analyzing data collected from:
(A) Experiments
(B) Social media sites
(C) Focus groups
(D) In-depth interviews

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By: Prof. Dr. Fazal Rehman | Last updated: April 19, 2025

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