Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 539 · 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.What does it mean to copy a file? (a) throw it away (b) store your work (c) make an exact twin (d) get rid of it
2. 2.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False
3. 3.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) rename (c) open (d) copy
4. 4.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) hard disk (d) scanner
6. 6.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
7. 7.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) farmers (d) plumbers
8. 8.Which of these is software? (a) an operating system (b) a pen drive (c) a printer (d) a mouse
9. 9.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
10. 10.What does it mean to move a file? (a) make an exact twin (b) throw it away (c) put it in another place (d) change its name
11. 11.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+S (d) Ctrl+Z
12. 12.Which of these is software? (a) a scanner (b) a computer game (c) a mouse (d) a monitor
13. 13.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) save (c) paste (d) cut
14. 14.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) copy (c) paste (d) save
15. 15.Which of these is hardware? (a) a calculator app (b) a typing tutor (c) a speaker (d) a web browser
16. 16.True or false: a hard disk is software. (a) False (b) True
17. 17.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+C (c) Ctrl+X (d) Ctrl+S
18. 18.True or false: Ctrl+A is the shortcut to copy. (a) False (b) True
19. 19.Which of these is hardware? (a) a pen drive (b) a paint program (c) an operating system (d) a web browser
20. 20.💾 How many KB are there in 4 MB?
21. 21.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
22. 22.🔍 Which is the odd one out? (a) a monitor (b) a speaker (c) a word processor (d) a printer
23. 23.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) cut (c) print (d) select all
24. 24.🔍 Which is the odd one out? (a) a typing tutor (b) a scanner (c) a mouse (d) a monitor
25. 25.💾 How many bits are there in 11 bytes?
26. 26.True or false: a webcam is software. (a) False (b) True
27. 27.Which file ending is a sound? (a) .pdf (b) .mkv (c) .gif (d) .wav
28. 28.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) KB (d) byte
29. 29.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Undo (c) Save (d) Copy
30. 30.True or false: Ctrl+X is the shortcut to save. (a) False (b) True
31. 31.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+U (c) Ctrl+F (d) Ctrl+I
32. 32.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) is permanent storage (d) loses data when off
33. 33.True or false: a typing tutor is software. (a) True (b) False
34. 34.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
35. 35.Which of these is software? (a) a printer (b) a pen drive (c) a monitor (d) a paint program
36. 36.🧩 Is a web browser hardware or software? (a) hardware (b) software
37. 37.True or false: RAM keeps photos for years. (a) False (b) True
38. 38.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
39. 39.True or false: Ctrl+S is the shortcut to select all. (a) False (b) True
40. 40.True or false: a computer game is hardware. (a) False (b) True

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