Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 988 · 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 the odd one out? (a) a speaker (b) a calculator app (c) a typing tutor (d) a music player app
2. 2.🧩 Is a word processor hardware or software? (a) software (b) hardware
3. 3.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
4. 4.True or false: a calculator app is software. (a) True (b) False
5. 5.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
6. 6.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
7. 7.True or false: a projector is an input device. (a) True (b) False
8. 8.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
9. 9.True or false: a word processor is hardware. (a) False (b) True
10. 10.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) undo (c) redo (d) paste
11. 11.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+P
12. 12.Which file ending is a picture? (a) .avi (b) .mp4 (c) .mp3 (d) .gif
13. 13.💾 How many bits are there in 9 bytes?
14. 14.✋ Which can we touch: hardware or software? (a) software (b) hardware
15. 15.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Undo (d) Cut
16. 16.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) cut (c) save (d) copy
17. 17.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
18. 18.🧩 Is a web browser hardware or software? (a) hardware (b) software
19. 19.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
20. 20.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
21. 21.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
22. 22.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
23. 23.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) undo (c) copy (d) save
24. 24.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
25. 25.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
26. 26.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
27. 27.🧰 Is a printer a storage, input or output device? (a) an output device (b) an input device (c) a storage device
28. 28.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) move (c) open (d) save
29. 29.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
30. 30.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) holds apps that are open (c) is the working memory (d) loses data when off
31. 31.True or false: a webcam is software. (a) True (b) False
32. 32.💾 How many bits are there in 1 byte?
33. 33.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
34. 34.📁 Which word means to “throw it away” (for a file or folder)? (a) create (b) copy (c) delete (d) move
35. 35.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) create (c) save (d) copy
36. 36.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) RAM (d) the pen drive
37. 37.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+C (d) Ctrl+P
38. 38.🔍 Which is the odd one out? (a) a computer game (b) a calculator app (c) a printer (d) a typing tutor
39. 39.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+P (d) Ctrl+Z
40. 40.Which file ending is a picture? (a) .avi (b) .jpg (c) .pdf (d) .mp4

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