Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 227 · 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 save? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+A
2. 2.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
3. 3.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
4. 4.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) paper storage (d) cloud storage
5. 5.💾 How many KB are there in 2 MB?
6. 6.📁 Which word means to “throw it away” (for a file or folder)? (a) move (b) delete (c) rename (d) save
7. 7.💾 How many bits are there in 6 bytes?
8. 8.💾 How many bits are there in 12 bytes?
9. 9.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is the working memory (d) keeps data when off
10. 10.💾 Which is smaller: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
11. 11.⌨️ In a word processor, what does Ctrl+V do? (a) copy (b) cut (c) save (d) paste
12. 12.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
13. 13.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
14. 14.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the hard disk (c) the memory card (d) RAM
15. 15.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
16. 16.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
17. 17.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
18. 18.What does it mean to rename a file? (a) give it a new name (b) make a brand-new one (c) store your work (d) see what is inside
19. 19.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) holds apps that are open (c) keeps photos for years (d) loses data when off
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) copy (c) undo (d) print
21. 21.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
22. 22.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
23. 23.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
24. 24.💾 How many bytes are there in 2 KB?
25. 25.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Backspace (d) Delete
26. 26.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
27. 27.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+P (d) Ctrl+S
28. 28.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
29. 29.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Save (c) Cut (d) Undo
30. 30.True or false: Ctrl+Z is the shortcut to cut. (a) False (b) True
31. 31.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) tailors (d) farmers
32. 32.Which of these is software? (a) a printer (b) a computer game (c) a hard disk (d) a keyboard
33. 33.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) paste (c) select all (d) redo
34. 34.True or false: Ctrl+S is the shortcut to cut. (a) True (b) False
35. 35.Which file ending is a picture? (a) .mp3 (b) .avi (c) .png (d) .wav
36. 36.Which file ending is a document? (a) .gif (b) .pdf (c) .mp3 (d) .avi
37. 37.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+C (d) Ctrl+Z
38. 38.💾 How many bits are there in 2 bytes?
39. 39.True or false: a webcam is software. (a) False (b) True
40. 40.📄 A file name ends in .png. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document

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