Class 4 Computer Worksheet: Class Test

Computer lesson 24: Class 4 computer test · Set 261 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: system software, formatting, the internet, email or history. Use that lesson’s idea — manager or app, B I U, browser or search engine, Inbox or Sent, which generation. Check your answer against a fact you are sure of.

1. 1.📧 Which of these looks like a correct email address? (a) [email protected] (b) riya.example.com (c) riya example com (d) riya#example.com
2. 2.🕰️ Is “Difference Engine” an old counting tool or a modern computer? (a) an old counting tool (b) a modern computer
3. 3.🧩 Is an operating system hardware or software? (a) hardware (b) software
4. 4.🖥️ Who does this job: “draws a picture” — the operating system or an app? (a) an app (b) the operating system
5. 5.⚙️ Which planned machine of Charles Babbage could be programmed? (a) Pascaline (b) Analytical Engine (c) Napier’s bones (d) abacus
6. 6.True or false: text that lines up at the right is centre align. (a) False (b) True
7. 7.Which of these is a job of an app? (a) plays a song (b) starts up the computer (c) shares memory among apps (d) talks to the devices
8. 8.📧 In email, which holds junk mail? (a) Compose (b) attachment (c) Sent (d) Spam
9. 9.True or false: in email, the Compose button tells what mail is about. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) supercomputer (b) Pascaline (c) tablet (d) smartphone
11. 11.📧 In email, which holds emails you receive? (a) Forward (b) subject (c) Inbox (d) Reply
12. 12.📧 Which sign is in every email address? (a) @ (b) # (c) & (d) %
13. 13.What did computers of generation 1 first use? (a) transistors (b) integrated circuits (c) vacuum tubes (d) microprocessors
14. 14.True or false: “plays a game” is a job of the operating system. (a) False (b) True
15. 15.True or false: computers of generation 3 first used integrated circuits. (a) False (b) True
16. 16.Which of these is an old counting tool? (a) smartphone (b) laptop (c) Napier’s bones (d) supercomputer
17. 17.🅱️ Which style makes letters red? (a) font colour (b) strikethrough (c) font size (d) bold
18. 18.⌨️ Which style does Ctrl+U turn on? (a) bold (b) underline (c) italic
19. 19.📐 Which alignment sits in the middle? (a) centre align (b) justify (c) right align (d) left align
20. 20.🌐 What does “www” stand for? (a) World Wide Web (b) World Web Wide (c) Wide World Web (d) Web Wide World
21. 21.What does bullets do to text? (a) draws a line through (b) makes letters thick (c) makes letters slant (d) makes a dotted list
22. 22.🧰 Which program would you use for drawing a kite? (a) a presentation program (b) a spreadsheet (c) a word processor (d) a paint program
23. 23.Which of these is an old counting tool? (a) Pascaline (b) supercomputer (c) smartwatch (d) smartphone
24. 24.True or false: “supercomputer” is an old counting tool. (a) True (b) False
25. 25.👴 Who is called the father of the computer? (a) Charles Babbage (b) John Napier (c) Blaise Pascal
26. 26.🔁 When does the operating system start working? (a) after we print (b) as the computer starts (c) when we sneeze (d) only at night
27. 27.True or false: italic draws a line through. (a) True (b) False
28. 28.📐 Which alignment lines up at the left? (a) left align (b) right align (c) centre align (d) justify
29. 29.True or false: text that straight on both edges is centre align. (a) False (b) True
30. 30.🌐 Which of these tells where a site lives? (a) a web address (b) a search engine (c) the internet (d) a web browser
31. 31.Which of these is true of the Compose button? (a) passes mail to others (b) starts a new email (c) answers the sender (d) holds junk mail
32. 32.🖥️ Who does this job: “plays a game” — the operating system or an app? (a) an app (b) the operating system
33. 33.True or false: computers of generation 1 first used vacuum tubes. (a) True (b) False
34. 34.🕰️ Is “abacus” an old counting tool or a modern computer? (a) an old counting tool (b) a modern computer
35. 35.Which shortcut turns on underline? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+U
36. 36.True or false: “opens a website” is a job of the operating system. (a) True (b) False
37. 37.⚡ Which generation of computers first used vacuum tubes?
38. 38.Which of these is done in a web browser? (a) making slides for a talk (b) drawing a kite (c) colouring a picture (d) opening a website
39. 39.True or false: Ctrl+U turns on italic. (a) True (b) False
40. 40.True or false: a web address shows web pages to us. (a) True (b) False

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