Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 311 · 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.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) cut (c) print (d) copy
2. 2.Which of these is hardware? (a) a computer game (b) a webcam (c) a music player app (d) a calculator app
3. 3.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a monitor (d) a word processor
4. 4.What does it mean to delete a file? (a) put it in another place (b) give it a new name (c) make a brand-new one (d) get rid of it
5. 5.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
6. 6.Which of these is hardware? (a) a computer game (b) a word processor (c) a music player app (d) a hard disk
7. 7.Which file ending is a picture? (a) .gif (b) .txt (c) .mp4 (d) .mp3
8. 8.🧩 Is a paint program hardware or software? (a) hardware (b) software
9. 9.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
10. 10.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+S
11. 11.🔍 Which is the odd one out? (a) a printer (b) a keyboard (c) a mouse (d) an operating system
12. 12.🔍 Which is the odd one out? (a) projector (b) pen drive (c) monitor (d) printer
13. 13.💾 How many bytes are there in 1 KB?
14. 14.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) select all (d) cut
15. 15.Which shortcut do we press to paste? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+V (d) Ctrl+P
16. 16.🔍 Which is the odd one out? (a) a mouse (b) a pen drive (c) a scanner (d) a computer game
17. 17.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) print (c) undo (d) select all
18. 18.True or false: a scanner is software. (a) True (b) False
19. 19.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) undo (c) print (d) cut
20. 20.🔍 Which is the odd one out? (a) a web browser (b) a typing tutor (c) a calculator app (d) a webcam
21. 21.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) rename (c) create (d) copy
22. 22.🔍 Which is the odd one out? (a) a keyboard (b) a word processor (c) a web browser (d) an operating system
23. 23.Which file ending is a document? (a) .png (b) .avi (c) .pdf (d) .mkv
24. 24.Which of these is true of RAM? (a) loses data when off (b) keeps your saved files (c) keeps data when off (d) keeps photos for years
25. 25.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
26. 26.True or false: to open a file means to see what is inside. (a) False (b) True
27. 27.💾 How many KB are there in 2 MB?
28. 28.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
29. 29.What does it mean to save a file? (a) change its name (b) get rid of it (c) store your work (d) put it in another place
30. 30.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Redo (d) Copy
31. 31.🔍 Which is the odd one out? (a) a paint program (b) a calculator app (c) a mouse (d) a word processor
32. 32.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
33. 33.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+X
34. 34.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
35. 35.True or false: Ctrl+S is the shortcut to copy. (a) False (b) True
36. 36.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) move (c) delete (d) save
37. 37.True or false: to save a file means to store your work. (a) False (b) True
38. 38.📁 Which word means to “get rid of it” (for a file or folder)? (a) save (b) open (c) delete (d) copy
39. 39.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
40. 40.Which of these is software? (a) a mouse (b) a hard disk (c) a web browser (d) a printer

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