Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 20 · 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 open a file? (a) put it in another place (b) get rid of it (c) see what is inside (d) keep your work for later
2. 2.🔍 Which is the odd one out? (a) a paint program (b) a keyboard (c) a music player app (d) a computer game
3. 3.🧩 Is a word processor hardware or software? (a) software (b) hardware
4. 4.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
5. 5.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
6. 6.Which file ending is a video? (a) .wav (b) .txt (c) .mkv (d) .png
7. 7.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
8. 8.True or false: a calculator app is hardware. (a) True (b) False
9. 9.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
10. 10.True or false: an operating system is software. (a) False (b) True
11. 11.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) holds apps that are open (d) keeps photos for years
12. 12.💾 How many bytes are there in 3 KB?
13. 13.True or false: a webcam is software. (a) True (b) False
14. 14.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
15. 15.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
16. 16.Which of these is hardware? (a) a typing tutor (b) a speaker (c) an operating system (d) a paint program
17. 17.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) move (c) copy (d) create
18. 18.True or false: a solid-state drive is an output device. (a) False (b) True
19. 19.What does it mean to move a file? (a) put it in another place (b) get rid of it (c) give it a new name (d) keep your work for later
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) save (d) paste
21. 21.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
22. 22.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the icon (d) the cursor
23. 23.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) move (c) copy (d) delete
24. 24.True or false: Ctrl+Y is the shortcut to save. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a printer (b) a typing tutor (c) a keyboard (d) a webcam
26. 26.🔍 Which is the odd one out? (a) projector (b) pen drive (c) speaker (d) printer
27. 27.🔍 Which is the odd one out? (a) a keyboard (b) a speaker (c) a computer game (d) a webcam
28. 28.Which of these is hardware? (a) a typing tutor (b) a computer game (c) a word processor (d) a monitor
29. 29.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) keeps data when off (d) is temporary memory
30. 30.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) tailors (d) farmers
31. 31.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) save (c) delete (d) open
32. 32.Which of these is true of RAM? (a) keeps photos for years (b) loses data when off (c) keeps your saved files (d) is permanent storage
33. 33.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Undo (d) Copy
34. 34.🔍 Which is the odd one out? (a) a web browser (b) a mouse (c) a word processor (d) a paint program
35. 35.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
36. 36.Which of these is software? (a) a mouse (b) a monitor (c) a word processor (d) a speaker
37. 37.🔍 Which is the odd one out? (a) a word processor (b) a typing tutor (c) a pen drive (d) a paint program
38. 38.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) open (c) create (d) move
39. 39.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
40. 40.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a webcam (d) a scanner

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