Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 6 · 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 shortcut do we press to redo? (a) Ctrl+S (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
2. 2.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) print (c) paste (d) redo
3. 3.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
4. 4.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
5. 5.Which file ending is a document? (a) .mkv (b) .mp3 (c) .txt (d) .png
6. 6.True or false: to delete a file means to get rid of it. (a) False (b) True
7. 7.What does it mean to copy a file? (a) make an exact twin (b) throw it away (c) change its name (d) see what is inside
8. 8.🧩 Is a calculator app hardware or software? (a) software (b) hardware
9. 9.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) print (d) select
10. 10.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) paste (c) redo (d) cut
11. 11.✋ Which can we touch: hardware or software? (a) hardware (b) software
12. 12.🧩 Is a speaker hardware or software? (a) hardware (b) software
13. 13.Which of these is a storage device? (a) keyboard (b) speaker (c) hard disk (d) monitor
14. 14.What does it mean to save a file? (a) see what is inside (b) get rid of it (c) store your work (d) make an exact twin
15. 15.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) save (c) undo (d) redo
16. 16.🧩 Is an operating system hardware or software? (a) hardware (b) software
17. 17.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
18. 18.True or false: a printer is software. (a) False (b) True
19. 19.True or false: to delete a file means to keep your work for later. (a) False (b) True
20. 20.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) speaker (d) keyboard
21. 21.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+X (d) Ctrl+V
22. 22.🔍 Which is the odd one out? (a) a pen drive (b) a webcam (c) a mouse (d) a computer game
23. 23.True or false: a microphone is a storage device. (a) True (b) False
24. 24.Which of these is a storage device? (a) speaker (b) keyboard (c) microphone (d) pen drive
25. 25.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+C (d) Ctrl+Z
26. 26.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
27. 27.True or false: to save a file means to give it a new name. (a) True (b) False
28. 28.📁 Which word means to “store your work” (for a file or folder)? (a) create (b) delete (c) save (d) open
29. 29.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Copy (c) Redo (d) Cut
30. 30.🔍 Which is the odd one out? (a) a web browser (b) a mouse (c) a monitor (d) a hard disk
31. 31.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
32. 32.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) cut (c) select all (d) print
33. 33.Which of these is software? (a) a calculator app (b) a monitor (c) a mouse (d) a printer
34. 34.True or false: a pen drive is hardware. (a) False (b) True
35. 35.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+P
36. 36.🧩 Is a word processor hardware or software? (a) hardware (b) software
37. 37.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
38. 38.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) undo (c) paste (d) redo
39. 39.🧩 Is a monitor hardware or software? (a) hardware (b) software
40. 40.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False

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