Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 644 · 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.True or false: a pen drive is software. (a) False (b) True
2. 2.💾 How many GB are there in 2 TB?
3. 3.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
4. 4.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
5. 5.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
6. 6.🧰 Is a mouse a storage, input or output device? (a) an output device (b) a storage device (c) an input device
7. 7.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
8. 8.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+Y
9. 9.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Save (c) Copy (d) Cut
10. 10.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
11. 11.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
12. 12.💾 How many GB are there in 1 TB?
13. 13.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
15. 15.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) save (c) undo (d) redo
17. 17.Which of these is hardware? (a) a web browser (b) a music player app (c) a paint program (d) a speaker
18. 18.✋ Which can we touch: hardware or software? (a) hardware (b) software
19. 19.Which of these is hardware? (a) a calculator app (b) a hard disk (c) a word processor (d) a typing tutor
20. 20.True or false: Ctrl+S is the shortcut to cut. (a) False (b) True
21. 21.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+S (d) Ctrl+Y
22. 22.True or false: RAM keeps photos for years. (a) False (b) True
23. 23.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
24. 24.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
25. 25.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
26. 26.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+A (d) Ctrl+V
27. 27.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
28. 28.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
29. 29.Which file ending is a document? (a) .txt (b) .gif (c) .jpg (d) .mp3
30. 30.Which of these is software? (a) a paint program (b) a scanner (c) a webcam (d) a hard disk
31. 31.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
32. 32.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) copy (c) print (d) paste
33. 33.💾 How many MB are there in 2 GB?
34. 34.True or false: a memory card is a storage device. (a) False (b) True
35. 35.Which of these is software? (a) a keyboard (b) a music player app (c) a mouse (d) a printer
36. 36.True or false: a computer game is software. (a) False (b) True
37. 37.💾 How many bits are there in 6 bytes?
38. 38.True or false: a scanner is software. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) a printer (b) a speaker (c) a computer game (d) a mouse
40. 40.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document

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