9th Class Computer Science Chapter 9 English Medium Online MCQ Test With Answer

MCQ's Test For Data Science and Data Gathering

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Data Science and Data Gathering

00:00
Question # 1

-------------- is the grahical represnetation of data through use of common charts, plots, infographics and animations.

Question # 2

Which of the following is an example of interval scaled attribute.

Question # 3

What does the volume characteristic of big data refer to.

Question # 4

What type of data involves distinct, separate values that are countable?

Question # 5

In the context of bign data what does the 3 Vs refer to?

Question # 6

Which industry heavily relies on lot for supply chaain optimization and resource allocation?

Question # 7

What does data encryption do?

Question # 8

What is data

Question # 9

What is the primary purpose of data visualization in data sciecne?

Question # 10

What is the primary purpose of data visualization.

Question # 11

------include the dtat which can only take certain values and cannot be further subdivided into smaller units.

Question # 12

What is the types of data is used to categorize items without implying any order.

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9th Class (English Medium) Computer Science (New Book) Chapter 9 Important MCQ's

Sr.# Question Answer
1 Which programming language is commonly used for bign data analytics and machine learning tasks.
A. Java
B. C++
C. Phyton
D. Ruby
2 Customer satisfaction level such as satisfied, dissatisfied and neutral are examples of ................ data type.
A. Discrete data
B. Numericla data
C. Ordinal data
D. Continous data
3 In the context of bign data what does the 3 Vs refer to?
A. Varacity velocity, veracity
B. Variety, velocity, volume
C. Volume, value, velocity
D. Validity, variety, volume
4 What is the primay purpose of data preprocessing in big data analytics.
A. To increase data storage costs
B. To prepare raw data for analysis
C. To eliminate the need for data visualization
D. To reduce the volume of data
5 Which industry heavily relies on lot for supply chaain optimization and resource allocation?
A. Healthcare
B. Finance
C. Transporation
D. Retail
6 What is the role of domain knowledge in data sciecne.
A. writing code for data analysis
B. Visualizing data
C. Understanding the specific context of data
D. conducting staticial tests
7 What is the fist steps of data science progess.
A. Undrstanding the problem
B. Data Cleaning
C. Data analysis
D. Data Collection
8 What is the primary purpose of data visualization in data sciecne?
A. Data Collection
B. Data modeling
C. Extracting insights
D. Data exploration
9 What does data encryption do?
A. It automatically delet old data
B. It speeds up internet connection
C. It converts data into a code to prevent unauthorized access
D. It makes data availabel to every one online
10 Which statistical measure provides a measure of the central tendency of a dataset.
A. Mean
B. Median
C. Varieance
D. Standard deviation

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