Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 497 · 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.🧩 Is a monitor hardware or software? (a) hardware (b) software
2. 2.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
3. 3.📁 Which word means to “change its name” (for a file or folder)? (a) open (b) rename (c) move (d) create
4. 4.🔍 Which is the odd one out? (a) microphone (b) mouse (c) pen drive (d) scanner
5. 5.True or false: to copy a file means to make an exact twin. (a) True (b) False
6. 6.True or false: a keyboard is software. (a) True (b) False
7. 7.Which of these is software? (a) a pen drive (b) a keyboard (c) a hard disk (d) a word processor
8. 8.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Cut (c) Undo (d) Copy
9. 9.💾 How many bits are there in 3 bytes?
10. 10.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
11. 11.✋ Which can we touch: hardware or software? (a) software (b) hardware
12. 12.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
13. 13.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
14. 14.True or false: RAM is permanent storage. (a) False (b) True
15. 15.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) mouse pad (d) memory card
16. 16.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
17. 17.📁 Which word means to “throw it away” (for a file or folder)? (a) save (b) rename (c) delete (d) create
18. 18.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) undo (c) save (d) copy
19. 19.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) move (c) rename (d) create
20. 20.What does it mean to open a file? (a) keep your work for later (b) store your work (c) make an exact twin (d) see what is inside
21. 21.Which shortcut do we press to redo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
22. 22.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
23. 23.💾 How many KB are there in 1 MB?
24. 24.Which of these is software? (a) a speaker (b) a monitor (c) a mouse (d) a typing tutor
25. 25.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+X (d) Ctrl+V
26. 26.🧩 Is a web browser hardware or software? (a) hardware (b) software
27. 27.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
28. 28.True or false: a monitor is hardware. (a) False (b) True
29. 29.Which of these is hardware? (a) a calculator app (b) a music player app (c) a typing tutor (d) a keyboard
30. 30.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) loses data when off (c) is permanent storage (d) is the working memory
31. 31.Which of these is hardware? (a) a word processor (b) a hard disk (c) a web browser (d) a typing tutor
32. 32.True or false: a pen drive is hardware. (a) True (b) False
33. 33.Which file ending is a document? (a) .wav (b) .avi (c) .pdf (d) .mkv
34. 34.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
35. 35.Which file ending is a picture? (a) .mkv (b) .mp3 (c) .wav (d) .png
36. 36.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) weight (d) smell
37. 37.Which file ending is a video? (a) .pdf (b) .mp4 (c) .txt (d) .wav
38. 38.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+A (d) Ctrl+X
39. 39.💾 How many bytes are there in 1 KB?
40. 40.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage

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