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Half Book 1

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Question 1 of 40 0% read

1. Which software controls startup of computer?

A Compiler
B BIOS
C Application software
D Antivirus

2. Which CSS property is used to make text bold?

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

3. If a restaurant offers 4 types of main courses and 3 types of drinks, how many different meal combinations can be made?

A 7
B 12
C 4
D 3

4. Which chart shows parts of a whole?

A Line chart
B Bar chart
C Pie chart
D Scatter plot

5. An error that causes the program to produce an incorrect result, but does not stop it from running, is called a:

A Logical Error
B Syntax Error
C Runtime Error
D Compilation Error

6. Which software is commonly used for basic data visualization?

A Spreadsheet software
B Operating system
C Antivirus software
D Compiler

7. An algorithm must produce:

A Infinite results
B No output
C At least one output
D Only input

8. Which visualization is best for comparing percentages?

A Pie chart
B Line chart
C Scatter plot
D Histogram

9. Which principle helps in solving basic counting problems?

A Logical fallacy
B Counting principle
C Flowchart principle
D Debugging principle

10. Which unit is the smallest unit of data in a computer?

A Byte
B Bit
C Nibble
D Word

11. Which data science step comes just before decision making?

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

12. Which of the following best describes computational thinking?

A Thinking only about computers
B Solving problems step by step logically
C Writing long programs
D Using calculators only

13. Operating system acts as a?

A Translator
B Interface between user and hardware
C Input device
D Output device

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

A margin
B padding
C border
D spacing

15. Which stage focuses on presenting findings?

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

16. Which step comes after designing an algorithm?

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

17. Which JavaScript keyword is used to define a function?

A method
B define
C function
D func

18. Which is an example of system software?

A Excel
B PowerPoint
C Windows
D Photoshop

19. Programs like antivirus, disk cleanup, and file managers are known as:

A Application Software
B Operating Systems
C Games
D Utility Software

20. What does a pie chart mainly show?

A Exact values
B Parts of a whole
C Trends
D Relationships

21. Why is data cleaning necessary?

A To add errors
B To improve data quality
C To increase file size
D To slow processing

22. Abstraction in computing means:

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

23. What is the ultimate goal of analyzing data in data science?

A To create colourful charts.
B To make better decisions.
C To collect as much data as possible.
D To write long reports.

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

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

25. Which stage involves removing errors and inconsistencies from data?

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

26. What is the main purpose of Data Visualization?

A To store data in a database.
B To make the computer run faster.
C To represent data graphically for easy understanding.
D To write complex algorithms.

27. Hexadecimal number system uses base?

A 2
B 8
C 10
D 16

28. A solution that can solve many different problems of the same type, not just one specific problem, is called a:

A Generalized Solution
B Specific Solution
C Temporary Solution
D Modular Solution

29. Which characteristic of an algorithm means it must stop after a certain number of steps?

A Input
B Output
C Finiteness
D Effectiveness

30. Creating a solution that works for a wide range of inputs, not just one specific case, is called:

A A specific solution
B An abstract solution
C A modular solution
D A generalized solution

31. Which is the final step of problem solving?

A Understanding
B Designing
C Testing and evaluation
D Abstraction

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

A Spreadsheet charts
B Compiler
C Antivirus
D Text editor

33. Which OS is open-source?

A Windows
B Linux
C DOS
D macOS

34. Which of the following is NOT a step in algorithm design?

A Understanding problem
B Designing solution
C Executing hardware
D Testing

35. Software that is free to use and modify is called?

A Paid software
B Proprietary software
C Open-source software
D Utility software

36. How many bits does the standard ASCII code use to represent a single character?

A 7 bits
B 16 bits
C 4 bits
D 32 bits

37. What is the main goal of data analysis?

A To design hardware
B To find patterns and insights
C To type documents
D To send emails

38. In JavaScript, what is used to make decisions and execute different code based on a condition?

A A loop
B A function
C A variable
D An if-else statement

39. What is the base of the binary number system?

A 10
B 2
C 8
D 16

40. Which of the following is the best example of system software?

A MS Word
B Google Chrome
C Video Game
D Windows 10

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