Computer 9th Chap 4 : Topic 3.8 - Maryam Publications

Computer Chapter 4 : Topic 3.8

Data Science and Big Data

1 / 7

A business collects massive amounts of customer data, but meaningful insights are obtained only after analysis. How does data science create value from such big data?

A) By storing data without examining it

B) By deleting unnecessary records immediately

C) By reducing the amount of collected information

D) By converting raw data into useful insights and knowledge

2 / 7

A retail company uses data science techniques to identify customer purchasing patterns from millions of transactions. What value is primarily gained through this process?

A) Reduced need for data collection

B) Elimination of business competition

C) Increased hardware requirements only

D) Better understanding of customer behavior

3 / 7

A company analyzes historical sales data to estimate future product demand before manufacturing begins. Which role of data science is being demonstrated?

A) Predictive analysis

B) Data duplication

C) Data compression

D) Data formatting

4 / 7

Why is data science considered essential when organizations deal with extremely large and complex datasets?

A) It permanently replaces data storage systems

B) It prevents businesses from collecting new data

C) It reduces the importance of decision-making

D) It transforms large amounts of data into actionable business information

5 / 7

A streaming service studies users' viewing habits and recommends movies based on their interests. How is data science creating value in this situation?

A) By increasing storage costs unnecessarily

B) By removing historical records permanently

C) By reducing customer choices

D) By improving personalized customer experiences

6 / 7

Which activity best represents how data science extracts value from big data in a business environment?

A) Discovering hidden patterns and trends that support better decisions

B) Increasing the number of files stored on servers

C) Reducing the amount of available information

D) Replacing all employees with computers

7 / 7

What is the primary goal of applying data science techniques to big data collected from various sources within an organization?

A) To prevent future data collection activities

B) To store data without analyzing it

C) To increase the complexity of information systems

D) To generate useful insights that improve decision-making and business performance

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