Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 85 · 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+X (d) Ctrl+V
2. 2.🔍 Which is the odd one out? (a) a hard disk (b) a music player app (c) a speaker (d) a printer
3. 3.What does it mean to delete a file? (a) see what is inside (b) store your work (c) keep your work for later (d) throw it away
4. 4.🧩 Is a monitor hardware or software? (a) software (b) hardware
5. 5.🔍 Which is the odd one out? (a) a paint program (b) a webcam (c) a calculator app (d) a music player app
6. 6.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
7. 7.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
8. 8.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a mouse (d) a speaker
9. 9.Which file ending is a picture? (a) .jpg (b) .mp3 (c) .mkv (d) .mp4
10. 10.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
11. 11.Which of these is software? (a) a printer (b) a typing tutor (c) a mouse (d) a pen drive
12. 12.🧩 Is a hard disk hardware or software? (a) software (b) hardware
13. 13.💾 How many GB are there in 1 TB?
14. 14.💾 How many KB are there in 3 MB?
15. 15.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
16. 16.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) microphone (d) memory card
17. 17.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) create (c) copy (d) save
18. 18.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
19. 19.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
20. 20.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
21. 21.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) memory card (d) speaker
22. 22.What does it mean to rename a file? (a) throw it away (b) keep your work for later (c) see what is inside (d) change its name
23. 23.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
24. 24.True or false: a mouse is hardware. (a) True (b) False
25. 25.💾 How many GB are there in 2 TB?
26. 26.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
27. 27.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+C (d) Ctrl+Y
28. 28.✋ Which can we touch: hardware or software? (a) software (b) hardware
29. 29.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
30. 30.True or false: a printer is software. (a) False (b) True
31. 31.📁 Which word means to “put it in another place” (for a file or folder)? (a) open (b) save (c) move (d) delete
32. 32.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) delete (d) select
33. 33.🔍 Which is the odd one out? (a) mouse (b) memory card (c) microphone (d) scanner
34. 34.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
35. 35.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) loses data when off (d) keeps data when off
36. 36.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) undo (d) cut
37. 37.True or false: RAM holds apps that are open. (a) False (b) True
38. 38.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
39. 39.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
40. 40.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB

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