Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 881 · 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.🧩 Is a pen drive hardware or software? (a) hardware (b) software
2. 2.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
3. 3.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
4. 4.🧩 Is a mouse hardware or software? (a) software (b) hardware
5. 5.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
6. 6.Which shortcut do we press to paste? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+V (d) Ctrl+X
7. 7.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
8. 8.Which of these is hardware? (a) a printer (b) a typing tutor (c) a paint program (d) a music player app
9. 9.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
10. 10.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
11. 11.💾 How many KB are there in 1 MB?
12. 12.Which of these is an input device? (a) speaker (b) microphone (c) printer (d) projector
13. 13.🧩 Is a scanner hardware or software? (a) hardware (b) software
14. 14.True or false: RAM keeps photos for years. (a) True (b) False
15. 15.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) rain storage (d) cloud storage
16. 16.True or false: RAM is temporary memory. (a) True (b) False
17. 17.True or false: a scanner is software. (a) False (b) True
18. 18.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) is the working memory (d) keeps data when off
19. 19.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
20. 20.True or false: a speaker is software. (a) False (b) True
21. 21.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
22. 22.💾 How many bits are there in 2 bytes?
23. 23.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
24. 24.🔍 Which is the odd one out? (a) a music player app (b) a web browser (c) a computer game (d) a speaker
25. 25.💾 How many bits are there in 10 bytes?
26. 26.🔍 Which is the odd one out? (a) microphone (b) speaker (c) monitor (d) projector
27. 27.Which file ending is a video? (a) .jpg (b) .mkv (c) .gif (d) .png
28. 28.✋ Which can we touch: hardware or software? (a) hardware (b) software
29. 29.True or false: RAM is permanent storage. (a) True (b) False
30. 30.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the pen drive (c) the memory card (d) RAM
31. 31.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+V
32. 32.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
33. 33.💾 How many MB are there in 1 GB?
34. 34.True or false: Ctrl+P is the shortcut to undo. (a) True (b) False
35. 35.🧰 Is a scanner a storage, input or output device? (a) an output device (b) a storage device (c) an input device
36. 36.💾 How many bits are there in 3 bytes?
37. 37.🔍 Which is the odd one out? (a) a typing tutor (b) a monitor (c) a pen drive (d) a mouse
38. 38.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) rename (c) copy (d) save
39. 39.Which file ending is a picture? (a) .jpg (b) .mp4 (c) .pdf (d) .mp3
40. 40.🧰 Is a pen drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device

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