Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 325 · 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 is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
2. 2.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
3. 3.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Copy (d) Cut
4. 4.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
5. 5.💾 How many KB are there in 4 MB?
6. 6.🧩 Is a word processor hardware or software? (a) hardware (b) software
7. 7.Which of these is hardware? (a) a word processor (b) a typing tutor (c) a calculator app (d) a mouse
8. 8.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
9. 9.Which file ending is a video? (a) .mp3 (b) .jpg (c) .png (d) .mkv
10. 10.🔍 Which is the odd one out? (a) keyboard (b) pen drive (c) scanner (d) microphone
11. 11.What does it mean to move a file? (a) make an exact twin (b) get rid of it (c) change its name (d) put it in another place
12. 12.🧩 Is a calculator app hardware or software? (a) software (b) hardware
13. 13.🧩 Is a webcam hardware or software? (a) hardware (b) software
14. 14.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
15. 15.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
16. 16.Which of these is hardware? (a) a paint program (b) a scanner (c) a music player app (d) a computer game
17. 17.Which of these is true of RAM? (a) is permanent storage (b) is the working memory (c) keeps data when off (d) keeps photos for years
18. 18.Which file ending is a sound? (a) .mp4 (b) .png (c) .mp3 (d) .gif
19. 19.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
20. 20.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
21. 21.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
22. 22.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
23. 23.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) redo (c) paste (d) print
24. 24.True or false: Ctrl+V is the shortcut to undo. (a) False (b) True
25. 25.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
26. 26.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
27. 27.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
28. 28.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Copy (c) Delete (d) Cut
29. 29.🧩 Is a monitor hardware or software? (a) hardware (b) software
30. 30.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
31. 31.Which of these is an input device? (a) memory card (b) scanner (c) monitor (d) speaker
32. 32.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) undo (c) cut (d) save
33. 33.True or false: Ctrl+V is the shortcut to redo. (a) True (b) False
34. 34.True or false: to delete a file means to keep your work for later. (a) True (b) False
35. 35.What does it mean to save a file? (a) see what is inside (b) throw it away (c) change its name (d) keep your work for later
36. 36.What does it mean to rename a file? (a) see what is inside (b) make a brand-new one (c) store your work (d) give it a new name
37. 37.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) paste (c) save (d) copy
38. 38.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) undo (c) select all (d) cut
39. 39.True or false: a calculator app is hardware. (a) True (b) False
40. 40.Which file ending is a document? (a) .mp4 (b) .txt (c) .png (d) .avi

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