About Question and Answer

This set of 50 questions and answers is designed to help Grade 8 students understand key concepts from six ICT lessons: Number Systems, Configuring and Formatting a Computer, Word Processing, Programming, Physical Computing, and the Internet. Each question addresses a key concept to reinforce learning and make studying more effective.

You can get better practical knowledge by watching the given videos related to the topics mentioned in the syllabus of this lesson Grade 9 ICT – Database. By clicking on the relevant categories, you can see the description of the lesson related to the topic

Question and Answer

Number Systems

1. What is the base of the binary number system?
The base of the binary number system is 2.

2. What symbols are used in the binary number system?
The binary system uses 0 and 1.

3. What is the base of the decimal number system?
The base of the decimal number system is 10.

4. How do you convert the decimal number 5 to binary?
5 in binary is 101.

5. How do you convert the binary number 110 to decimal?
110 in decimal is 6.

6. What is the binary representation of 8?
8 in binary is 1000.

7. What is the main purpose of the binary number system?
The binary system is used in computers to represent data and instructions.

Configuring and Formatting a Computer

8. Why is it important to set the correct date and time on a computer?
It ensures accurate file saving, searching, and business correspondence.

9. What is a file attribute?
A file attribute provides information like file size, type, and creation date.

10. How do you search for a file on a computer?
Use the search bar and enter keywords related to the file name.

11. What are hardware troubleshooting steps?
Check cables, restart the device, or replace faulty hardware.

12. Give an example of a software problem.
An application freezing or not opening.

13. What is a computer virus?
A computer virus is malicious software that can harm your computer.

14. How do you connect a computer to a network?
Use a Wi-Fi or Ethernet connection.

Word Processing

15. What is word processing software?
It is software used to create, edit, and format text documents.

16. Name a popular word processing software.
Microsoft Word.

17. How do you save a document?
Click on “File” and select “Save” or press Ctrl + S.

18. What does the Undo button do?
It reverses the last action.

19. How do you align text to the center?
Use the Center Align button in the toolbar.

20. What is the purpose of a font size tool?
It adjusts the size of the text.

21. Name two objects you can insert into a word document.
Pictures and tables.

22. How do you check spelling in a document?
Use the Spelling and Grammar tool.

Programming

23. What is problem analysis in programming?
It is the process of understanding and breaking down a problem to solve it.

24. What are control structures?
Control structures are instructions that control the flow of a program.

25. What is a sequence in programming?
A sequence is a series of steps executed in order.

26. What is selection in programming?
Selection involves making decisions using conditions.

27. Name a programming tool used by students.
Scratch.

28. What are logical blocks in Scratch?
They perform logical operations like AND, OR, and NOT.

29. What are comparison blocks in Scratch used for?
They compare two values, such as checking if one number is greater than another.

Physical Computing

30. What are logic gates?
Logic gates are basic components in circuits used to perform logical operations.

31. Name three basic logic gates.
AND, OR, and NOT gates.

32. What does an AND gate do?
It gives an output of 1 only when both inputs are 1.

33. What does an OR gate do?
It gives an output of 1 if at least one input is 1.

34. What does a NOT gate do?
It inverts the input; 0 becomes 1 and 1 becomes 0.

35. How can you simulate logic gates?
Using software like logic simulators.

36. What is the output of an AND gate if the inputs are 1 and 0?
The output is 0.

37. How are circuits constructed using logic gates?
By connecting the gates in a specific arrangement based on the desired logic function.

Internet

38. What is a search engine?
A tool used to find information on the internet.

39. Name two popular search engines.
Google and Bing.

40. What is a hyperlink?
A clickable link that directs you to another web page.

41. What are bookmarks used for?
To save links for quick access later.

42. What is a web page?
A single document on the internet containing text, images, or videos.

43. What is a website?
A collection of related web pages.

44. Name one software used to create web pages.
Adobe Dreamweaver.

45. What is HTML?
HTML stands for HyperText Markup Language, used to create web pages.

46. What does the tag in HTML do?
It creates a hyperlink.

47. What is the purpose of the tag in HTML?
It contains the visible content of the web page.

48. How do you set a web page title in HTML?
Use the