Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 587 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) delete (c) copy (d) move
2. 2.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Redo (c) Cut (d) Copy
3. 3.💾 How many bytes are there in 3 KB?
4. 4.True or false: a mouse is an output device. (a) False (b) True
5. 5.True or false: RAM is temporary memory. (a) True (b) False
6. 6.🧩 Is a monitor hardware or software? (a) software (b) hardware
7. 7.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
8. 8.Which file ending is a document? (a) .mkv (b) .jpg (c) .pdf (d) .mp3
9. 9.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
10. 10.🧩 Is a mouse hardware or software? (a) software (b) hardware
11. 11.🔍 Which is the odd one out? (a) a web browser (b) a computer game (c) a printer (d) a word processor
12. 12.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
13. 13.True or false: to save a file means to get rid of it. (a) False (b) True
14. 14.What does it mean to open a file? (a) see what is inside (b) put it in another place (c) make a brand-new one (d) give it a new name
15. 15.True or false: Ctrl+C is the shortcut to undo. (a) False (b) True
16. 16.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
17. 17.💾 How many GB are there in 2 TB?
18. 18.🔍 Which is the odd one out? (a) a webcam (b) a speaker (c) a printer (d) an operating system
19. 19.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) select all (c) copy (d) undo
20. 20.What does it mean to create a file? (a) make a brand-new one (b) get rid of it (c) make an exact twin (d) give it a new name
21. 21.True or false: an operating system is software. (a) True (b) False
22. 22.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
23. 23.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
24. 24.🧩 Is a computer game hardware or software? (a) hardware (b) software
25. 25.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
26. 26.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) is temporary memory (d) is permanent storage
27. 27.🔍 Which is the odd one out? (a) monitor (b) printer (c) mouse (d) speaker
28. 28.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
29. 29.🧩 Is a web browser hardware or software? (a) software (b) hardware
30. 30.Which of these is software? (a) a music player app (b) a mouse (c) a webcam (d) a printer
31. 31.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
32. 32.What does it mean to copy a file? (a) store your work (b) throw it away (c) make an exact twin (d) see what is inside
33. 33.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) is the working memory (d) is permanent storage
34. 34.✋ Which can we touch: hardware or software? (a) hardware (b) software
35. 35.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
36. 36.Which of these is an output device? (a) projector (b) memory card (c) keyboard (d) mouse
37. 37.Which of these is an output device? (a) pen drive (b) hard disk (c) speaker (d) mouse
38. 38.🧩 Is a speaker hardware or software? (a) hardware (b) software
39. 39.True or false: to save a file means to keep your work for later. (a) True (b) False
40. 40.🧩 Is a pen drive hardware or software? (a) software (b) hardware

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