Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 641 · 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.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Undo (c) Backspace (d) Copy
2. 2.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) move (c) save (d) rename
3. 3.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
4. 4.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) cut (c) save (d) copy
5. 5.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) save (c) open (d) copy
6. 6.Which of these is an output device? (a) printer (b) keyboard (c) memory card (d) hard disk
7. 7.💾 How many bytes are there in 4 KB?
8. 8.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) print (c) paste (d) redo
9. 9.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+X
10. 10.Which of these is software? (a) a speaker (b) a monitor (c) a hard disk (d) a calculator app
11. 11.Which file ending is a video? (a) .jpg (b) .txt (c) .mp4 (d) .png
12. 12.True or false: a music player app is hardware. (a) False (b) True
13. 13.Which of these is hardware? (a) a computer game (b) a webcam (c) a calculator app (d) a music player app
14. 14.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
15. 15.🧩 Is a pen drive hardware or software? (a) software (b) hardware
16. 16.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+P
17. 17.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) a hard disk (b) a computer game (c) a web browser (d) an operating system
19. 19.True or false: a pen drive is hardware. (a) True (b) False
20. 20.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
21. 21.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
22. 22.True or false: a printer is an output device. (a) True (b) False
23. 23.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
24. 24.🧩 Is a paint program hardware or software? (a) hardware (b) software
25. 25.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+P
26. 26.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a computer game (d) a calculator app
27. 27.🔍 Which is the odd one out? (a) a monitor (b) a computer game (c) a speaker (d) a keyboard
28. 28.What does it mean to copy a file? (a) change its name (b) make a brand-new one (c) make an exact twin (d) put it in another place
29. 29.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) undo (c) paste (d) copy
30. 30.🔍 Which is the odd one out? (a) mouse (b) scanner (c) hard disk (d) keyboard
31. 31.Which of these is hardware? (a) a music player app (b) a typing tutor (c) a computer game (d) a monitor
32. 32.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 9 (d) 2
33. 33.🔍 Which is the odd one out? (a) a web browser (b) a webcam (c) a monitor (d) a speaker
34. 34.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
35. 35.True or false: a memory card is a storage device. (a) False (b) True
36. 36.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) cut (d) redo
37. 37.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
38. 38.True or false: a memory card is an output device. (a) True (b) False
39. 39.True or false: a pen drive is a storage device. (a) False (b) True
40. 40.True or false: a music player app is software. (a) False (b) True

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