Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 777 · 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 “put it in another place” (for a file or folder)? (a) delete (b) create (c) rename (d) move
2. 2.What does it mean to move a file? (a) change its name (b) see what is inside (c) put it in another place (d) make a brand-new one
3. 3.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
4. 4.True or false: a microphone is a storage device. (a) True (b) False
5. 5.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
6. 6.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
7. 7.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) pen drive (b) keyboard (c) scanner (d) mouse
9. 9.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+C
10. 10.Which of these is software? (a) a webcam (b) a hard disk (c) an operating system (d) a keyboard
11. 11.Which file ending is a sound? (a) .wav (b) .jpg (c) .mp4 (d) .gif
12. 12.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
13. 13.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
14. 14.Which of these is true of RAM? (a) keeps data when off (b) is permanent storage (c) keeps your saved files (d) loses data when off
15. 15.True or false: to rename a file means to change its name. (a) False (b) True
16. 16.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) copy (c) select all (d) cut
17. 17.What does it mean to delete a file? (a) store your work (b) get rid of it (c) make an exact twin (d) put it in another place
18. 18.True or false: Ctrl+A is the shortcut to print. (a) False (b) True
19. 19.What does it mean to copy a file? (a) give it a new name (b) change its name (c) store your work (d) make an exact twin
20. 20.True or false: an operating system is hardware. (a) False (b) True
21. 21.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+S (d) Ctrl+Y
22. 22.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) paste (c) print (d) copy
23. 23.True or false: a webcam is software. (a) True (b) False
24. 24.True or false: to create a file means to change its name. (a) False (b) True
25. 25.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+V (d) Ctrl+A
26. 26.Which file ending is a picture? (a) .mp4 (b) .txt (c) .wav (d) .png
27. 27.True or false: a hard disk is an output device. (a) False (b) True
28. 28.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
29. 29.True or false: RAM is permanent storage. (a) True (b) False
30. 30.True or false: a printer is a storage device. (a) True (b) False
31. 31.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
32. 32.Which of these is an output device? (a) memory card (b) pen drive (c) printer (d) keyboard
33. 33.📁 Which word means to “store your work” (for a file or folder)? (a) open (b) save (c) rename (d) create
34. 34.True or false: a word processor is hardware. (a) True (b) False
35. 35.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) weight (d) name
36. 36.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
37. 37.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Undo (d) Copy
38. 38.🧩 Is a speaker hardware or software? (a) software (b) hardware
39. 39.Which of these is software? (a) a printer (b) a hard disk (c) a scanner (d) a music player app
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) undo (c) redo (d) cut

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