Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 956 · 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 holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a pixel (d) a speaker
2. 2.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) undo (c) paste (d) select all
3. 3.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) loses data when off (d) keeps photos for years
4. 4.True or false: a typing tutor is software. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a music player app (b) a typing tutor (c) a keyboard (d) a computer game
6. 6.🔍 Which is the odd one out? (a) speaker (b) pen drive (c) printer (d) projector
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
8. 8.💾 How many GB are there in 2 TB?
9. 9.Which of these is software? (a) a computer game (b) a keyboard (c) a monitor (d) a pen drive
10. 10.🧩 Is a computer game hardware or software? (a) software (b) hardware
11. 11.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
12. 12.✋ Which can we touch: hardware or software? (a) hardware (b) software
13. 13.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Backspace (d) Copy
14. 14.💾 How many KB are there in 4 MB?
15. 15.What does it mean to delete a file? (a) store your work (b) make a brand-new one (c) get rid of it (d) change its name
16. 16.True or false: to delete a file means to throw it away. (a) True (b) False
17. 17.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+A (d) Ctrl+P
18. 18.💾 How many bits are there in 11 bytes?
19. 19.True or false: RAM is permanent storage. (a) False (b) True
20. 20.Which of these is software? (a) a scanner (b) a monitor (c) a hard disk (d) a web browser
21. 21.Which of these is hardware? (a) a paint program (b) a web browser (c) a music player app (d) a printer
22. 22.What does it mean to copy a file? (a) make an exact twin (b) see what is inside (c) get rid of it (d) throw it away
23. 23.True or false: RAM keeps photos for years. (a) False (b) True
24. 24.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) memory card (c) speaker (d) keyboard
25. 25.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) open (c) save (d) copy
26. 26.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
27. 27.📄 A file name ends in .png. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
28. 28.True or false: Ctrl+S is the shortcut to print. (a) True (b) False
29. 29.💾 How many KB are there in 3 MB?
30. 30.🧩 Is an operating system hardware or software? (a) software (b) hardware
31. 31.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
32. 32.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
33. 33.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) print (c) redo (d) copy
34. 34.True or false: a projector is an input device. (a) False (b) True
35. 35.🧩 Is a scanner hardware or software? (a) hardware (b) software
36. 36.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) select all (c) paste (d) redo
37. 37.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a pen drive (d) a scanner
38. 38.Which of these is hardware? (a) a calculator app (b) a music player app (c) a pen drive (d) a paint program
39. 39.Which file ending is a sound? (a) .wav (b) .pdf (c) .mkv (d) .png
40. 40.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon

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