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Unit 3: Programming Fundamentals + Unit 4: Data and Analysis

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Question 1 of 20 0% read

1. Which chart is best for showing trends over time?

A Pie chart

B Line chart

C Bar chart

D Table

2. What is data science mainly concerned with?

A Writing computer games

B Extracting knowledge from data

C Repairing hardware

D Designing websites

3. What is the final stage of the data science life cycle where the results are shared with others?

A Data Acquisition

B Data Preparation

C Communication / Visualization

D Asking a question

4. In which stage of the data science life cycle are models built to find patterns?

A Data Analysis

B Data Collection

C Problem Definition

D Data Deletion

5. Which testing method checks individual units of code?

A System testing

B Integration testing

C Unit testing

D Acceptance testing

6. Which step helps stakeholders understand results easily?

A Data visualization

B Data collection

C Data cleaning

D Data storage

7. What is a set of step-by-step instructions for a computer to solve a problem called?

A An algorithm

B A variable

C A syntax

D A comment

8. What is raw data?

A Processed information

B Final results

C Unprocessed facts

D Graphs and charts

9. Which CSS property is used to add space inside an element?

A margin

B padding

C border

D spacing

10. Which JavaScript loop runs at least once?

A for

B while

C do-while

D foreach

11. What is the output of a Boolean expression?

A Number

B String

C True or False

D Character

12. Which HTML tag is used to create a hyperlink?

A <link>

B <a>

C <href>

D <url>

13. Which HTML tag is used to create an unordered list?

A <ol>

B <ul>

C <li>

D <list>

14. The process of cleaning and organizing raw data to make it suitable for analysis is called:

A Data Deletion.

B Data Preparation.

C Data Guessing.

D Data Hiding.

15. Why is data cleaning necessary?

A To add errors

B To improve data quality

C To increase file size

D To slow processing

16. Which of the following is a data visualization tool?

A Spreadsheet charts

B Compiler

C Antivirus

D Text editor

17. Which algorithm is best for large sorted data?

A Linear search

B Binary search

C Bubble sort

D Insertion sort

18. Which step converts raw data into useful information?

A Data cleaning

B Data analysis

C Data storage

D Data collection

19. What is the main purpose of an algorithm?

A Store data

B Design webpages

C Solve a problem step by step

D Write HTML code

20. Which data type is based on categories like colors or names?

A Quantitative

B Numerical

C Qualitative

D Statistical

Unit 3: Programming Fundamentals + Unit 4: Data and Analysis

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