Class 9 Computer Science MCQs: Practice important MCQs on Data and Analysis with answers and explanations. Ideal for exams and revision. Start learning now!
Q1: ______ is a structured or processed collection of data usually associated with a unique body of work.
- a) Database
- b) Dataset
- c) Data and information
- d) Information
Answer: a) Database
Q2: ______ refers to the process of carefully examining and studying data to identify patterns, draw conclusions, or make the data meaningful.
- a) Data analytics
- b) Data Predictions
- c) Dataset
- d) Database
Answer: a) Data analytics
Q3: ______ is the graphical representation of data through the use of common charts, plots, infographics, and animations.
- a) Data cleaning
- b) Missing values
- c) Data visualization
- d) Data hiding
Answer: c) Data visualization
Q4: ______ is a subset of Machine learning, with emphasis on the simulation or imitation of human brain's behaviour by using artificial neural networks.
- a) Data Visualization
- b) Computer Vision
- c) Deep learning
- d) Big Data
Answer: c) Deep learning
Q5: ______ is the use of data to predict future trends and events based on historical data.
- a) Statistical analysis
- b) Predictive analysis
- c) Graphical analysis
- d) Deep learning
Answer: b) Predictive analysis
Q6: ______ is the fast rate at which data is received and acted on.
- a) Volume
- b) Velocity
- c) Variety
- d) Vision
Answer: b) Velocity
Q7: ______ includes the data which can only take certain values and cannot be further subdivided into smaller units.
- a) Discrete data
- b) Continuous data
- c) Ordinal data
- d) Referral data
Answer: a) Discrete data
Q8: ______ is a limitation of big data.
- a) Statistical data
- b) Unlimited growth of data
- c) Data visualization
- d) Predictive maintenance
Answer: b) Unlimited growth of data
Q9: Customer satisfaction levels such as satisfied, dissatisfied, and neutral are examples of ______.
- a) Ordinal data
- b) Continuous data
- c) Numerical data
- d) Discrete data
Answer: a) Ordinal data
Q10: ______ is a method of collecting information from individuals.
- a) Data mining
- b) Data hiding
- c) Data visualization
- d) Data survey
Answer: d) Data survey