Live Education Quiz

1

Which CSS property controls the size of text?

A text-size B font-weight C font-size D text-style

2

Data that has been collected but has not been processed or cleaned is called:

A Final Data B Clean Data C Useful Data D Raw Data

3

Which step converts raw data into useful information?

A Data cleaning B Data analysis C Data storage D Data collection

4

Which error occurs due to wrong logic in a program?

A Syntax error B Runtime error C Logical error D System error

5

Which of the following is not a stage of data science life cycle?

A Data collection B Data cleaning C Hardware installation D Data analysis

6

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

7

Main function of an operating system is to?

A Create documents B Manage hardware and software C Browse internet D Edit images

8

Which JavaScript operator is used to compare both value and type?

A == B = C === D !=

9

The fundamental counting principle is used when:

A Steps are independent B Steps are dependent C There is only one step D There is no solution

10

Counting problems are mainly used to:

A Store data B Calculate the number of possible outcomes C Design hardware D Write algorithms

11

Which step comes after designing an algorithm?

A Problem identification B Testing and verification C Ignoring errors D Data deletion

12

What is a single binary digit, either a 0 or a 1, called?

A Byte B Bit C Nibble D Word

13

What does 'data' mean in the context of data science?

A Only pictures and videos. B A collection of facts, such as numbers, words, or measurements. C Only the software on a computer. D The physical parts of a computer like the mouse and keyboard.

14

In HTML5, which tag is used to define a footer for a document or a section?

A <bottom> B <footer> C <end> D <section>

15

Which HTML tag is used to display an image on a webpage?

A <image> B <img> C <pic> D <src>

16

Which type of loop in JavaScript continues to run as long as a specified condition is true?

A for loop B while loop C if statement D switch statement

17

What is a computing problem?

A A problem that can be solved using a computer B A problem related only to hardware C A problem without any solution D A mathematical equation only

18

Which software translates high-level language?

A Editor B Compiler C Operating system D Utility

19

Abstraction in computing means:

A Adding extra details B Removing unnecessary details C Writing code D Testing software

20

Which algorithm searches an element by dividing the list into halves?

A Linear search B Bubble sort C Binary search D Selection sort

21

Which JavaScript statement is used for decision making?

A switch B if C else D All of these

22

Which HTML tag is used to create a link to another web page?

A <link> B <img> C <p> D <a>

23

Which tool in a web browser is most commonly used by developers to find and fix errors in JavaScript code?

A The browser's console B The history tab C The settings menu D The bookmarks bar

24

A generalized solution means:

A Solution for one case only B Solution that works for many similar problems C No solution D Hardware solution

25

Which tool is commonly used to represent algorithms?

A Compiler B Flowchart C Database D Browser

26

Which of the following is a standard searching algorithm that works efficiently on a sorted list?

A Bubble Sort B Selection Sort C Binary Search D Linear Search

27

Which visualization helps identify relationships between variables?

A Pie chart B Bar chart C Scatter plot D Table

28

Which software helps maintain system performance?

A Application software B Utility software C Operating system D Compiler

29

What is the purpose of decision making in data science?

A To collect more data B To take actions based on insights C To clean data D To visualize data

30

Which field combines statistics, programming, and domain knowledge?

A Networking B Web development C Data science D Cyber security

31

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

A margin B padding C border D spacing

32

Which topic focuses on identifying mistakes?

A Abstraction B Errors C Counting principles D Modular design

33

Algorithm dry run helps to:

A Increase speed B Find logical errors C Decorate code D Store data

34

What is the main benefit of data science?

A Increased typing speed B Better decision making C More storage usage D Hardware improvement

35

Which stage focuses on presenting findings?

A Data cleaning B Data visualization C Data collection D Data storage

36

Unicode commonly uses how many bits?

A 7 B 8 C 16 D 32

37

Which of the following is a data visualization tool?

A Spreadsheet charts B Compiler C Antivirus D Text editor

38

Which is the final step of problem solving?

A Understanding B Designing C Testing and evaluation D Abstraction

39

What does ASCII stand for?

A American Standard Code for Information Interchange B Advanced System Code for Internet Interface C Automatic Standard Code for Information D American Software Code Interface

40

Which visualization is best for comparing percentages?

A Pie chart B Line chart C Scatter plot D Histogram

Half Book 1