Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 262 · 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 smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
2. 2.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
3. 3.True or false: a calculator app is software. (a) True (b) False
4. 4.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) copy (c) undo (d) print
5. 5.True or false: RAM loses data when off. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) a word processor (b) a paint program (c) a keyboard (d) a typing tutor
7. 7.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
8. 8.🔍 Which is the odd one out? (a) a music player app (b) a speaker (c) a monitor (d) a hard disk
9. 9.True or false: a printer is an input device. (a) False (b) True
10. 10.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
11. 11.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) select all (d) copy
12. 12.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
13. 13.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) redo (c) undo (d) save
14. 14.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
15. 15.🔍 Which is the odd one out? (a) memory card (b) monitor (c) solid-state drive (d) pen drive
16. 16.Which file ending is a video? (a) .mp4 (b) .pdf (c) .txt (d) .jpg
17. 17.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
18. 18.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
19. 19.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) cloud storage (c) box storage (d) rain storage
20. 20.💾 How many GB are there in 2 TB?
21. 21.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
22. 22.🧩 Is a webcam hardware or software? (a) hardware (b) software
23. 23.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
24. 24.Which of these is true of RAM? (a) is permanent storage (b) is temporary memory (c) keeps your saved files (d) keeps photos for years
25. 25.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) delete (c) create (d) rename
26. 26.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
27. 27.🔍 Which is the odd one out? (a) memory card (b) speaker (c) projector (d) monitor
28. 28.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) holds apps that are open (d) keeps photos for years
29. 29.🧩 Is a monitor hardware or software? (a) software (b) hardware
30. 30.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+C
31. 31.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps photos for years (d) keeps data when off
32. 32.True or false: to open a file means to keep your work for later. (a) False (b) True
33. 33.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) delete (d) select
34. 34.🧩 Is a speaker hardware or software? (a) software (b) hardware
35. 35.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps photos for years (d) is the working memory
36. 36.Which file ending is a picture? (a) .gif (b) .avi (c) .mp3 (d) .pdf
37. 37.💾 How many KB are there in 3 MB?
38. 38.Which file ending is a video? (a) .mp3 (b) .png (c) .mkv (d) .jpg
39. 39.True or false: to create a file means to change its name. (a) False (b) True
40. 40.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB

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