Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 562 · 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 file ending is a document? (a) .pdf (b) .gif (c) .mp3 (d) .mp4
2. 2.Which of these is software? (a) a printer (b) a mouse (c) a hard disk (d) a word processor
3. 3.📷 A camera keeps its photos on a small ___. (a) speaker (b) memory card (c) mouse pad (d) keyboard
4. 4.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
5. 5.🧩 Is a calculator app hardware or software? (a) hardware (b) software
6. 6.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
8. 8.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
9. 9.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
10. 10.What does it mean to save a file? (a) get rid of it (b) keep your work for later (c) make a brand-new one (d) make an exact twin
11. 11.Which file ending is a sound? (a) .mp4 (b) .mkv (c) .pdf (d) .mp3
12. 12.Which of these is hardware? (a) a paint program (b) an operating system (c) a mouse (d) a typing tutor
13. 13.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) name (d) smell
14. 14.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
15. 15.True or false: RAM is the working memory. (a) True (b) False
16. 16.Which file ending is a document? (a) .png (b) .txt (c) .jpg (d) .mp3
17. 17.Which of these is software? (a) a webcam (b) a pen drive (c) a scanner (d) a music player app
18. 18.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Cut (c) Copy (d) Save
19. 19.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
20. 20.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
21. 21.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
22. 22.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) redo (c) cut (d) paste
23. 23.🔍 Which is the odd one out? (a) an operating system (b) a calculator app (c) a word processor (d) a speaker
24. 24.True or false: a printer is software. (a) True (b) False
25. 25.True or false: a computer game is hardware. (a) True (b) False
26. 26.True or false: RAM keeps your saved files. (a) False (b) True
27. 27.True or false: a speaker is an input device. (a) False (b) True
28. 28.📁 Which word means to “keep your work for later” (for a file or folder)? (a) open (b) copy (c) move (d) save
29. 29.💾 How many KB are there in 2 MB?
30. 30.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
31. 31.Which of these is an output device? (a) projector (b) mouse (c) solid-state drive (d) memory card
32. 32.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
33. 33.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+V (d) Ctrl+S
34. 34.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) move (c) copy (d) save
35. 35.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+P
36. 36.✋ Which can we touch: hardware or software? (a) hardware (b) software
37. 37.True or false: to delete a file means to get rid of it. (a) True (b) False
38. 38.🧩 Is a word processor hardware or software? (a) hardware (b) software
39. 39.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) copy (c) delete (d) move
40. 40.True or false: Ctrl+X is the shortcut to print. (a) False (b) True

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