Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 502 · 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.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) save (c) print (d) undo
2. 2.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) microphone (d) printer
3. 3.🧩 Is a calculator app hardware or software? (a) hardware (b) software
4. 4.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) an icon (d) a printer
5. 5.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) copy (d) undo
6. 6.Which file ending is a picture? (a) .pdf (b) .txt (c) .jpg (d) .wav
7. 7.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a calculator app (d) a scanner
8. 8.True or false: a web browser is hardware. (a) True (b) False
9. 9.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
10. 10.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
11. 11.🔍 Which is the odd one out? (a) a mouse (b) a printer (c) a keyboard (d) a typing tutor
12. 12.True or false: a projector is a storage device. (a) True (b) False
13. 13.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) memory card (d) keyboard
14. 14.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
15. 15.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
16. 16.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Delete (d) Backspace
17. 17.True or false: a pen drive is software. (a) True (b) False
18. 18.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) select all (c) undo (d) cut
19. 19.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
20. 20.What does it mean to delete a file? (a) make a brand-new one (b) make an exact twin (c) throw it away (d) give it a new name
21. 21.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
22. 22.💾 How many MB are there in 3 GB?
23. 23.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
24. 24.Which file ending is a sound? (a) .pdf (b) .mp3 (c) .avi (d) .gif
25. 25.What does it mean to save a file? (a) give it a new name (b) get rid of it (c) throw it away (d) keep your work for later
26. 26.🧩 Is a keyboard hardware or software? (a) hardware (b) software
27. 27.✋ Which can we touch: hardware or software? (a) hardware (b) software
28. 28.True or false: Ctrl+Y is the shortcut to undo. (a) False (b) True
29. 29.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
30. 30.📄 A file name ends in .gif. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
31. 31.True or false: to move a file means to get rid of it. (a) False (b) True
32. 32.True or false: to create a file means to store your work. (a) False (b) True
33. 33.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
34. 34.True or false: to delete a file means to throw it away. (a) True (b) False
35. 35.Which of these is true of RAM? (a) loses data when off (b) keeps data when off (c) keeps your saved files (d) is permanent storage
36. 36.True or false: Ctrl+S is the shortcut to paste. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) printer (b) speaker (c) keyboard (d) monitor
38. 38.🔍 Which is the odd one out? (a) pen drive (b) speaker (c) hard disk (d) solid-state drive
39. 39.True or false: RAM is the working memory. (a) False (b) True
40. 40.🧩 Is a speaker hardware or software? (a) software (b) hardware

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