Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 638 · 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.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
2. 2.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
3. 3.Which of these is hardware? (a) a web browser (b) a scanner (c) an operating system (d) a paint program
4. 4.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the folder (d) the toolbar
5. 5.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
6. 6.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
7. 7.🧩 Is a scanner hardware or software? (a) software (b) hardware
8. 8.Which file ending is a sound? (a) .mp3 (b) .avi (c) .png (d) .gif
9. 9.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
10. 10.💾 How many bits are there in 7 bytes?
11. 11.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V
12. 12.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
13. 13.🔍 Which is the odd one out? (a) a word processor (b) a music player app (c) a hard disk (d) a calculator app
14. 14.True or false: a solid-state drive is an input device. (a) False (b) True
15. 15.Which of these is software? (a) a printer (b) a mouse (c) a webcam (d) a word processor
16. 16.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+S (d) Ctrl+A
17. 17.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) create (c) save (d) move
18. 18.🔍 Which is the odd one out? (a) printer (b) mouse (c) speaker (d) monitor
19. 19.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
20. 20.Which of these is hardware? (a) a typing tutor (b) a webcam (c) a paint program (d) a computer game
21. 21.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+A (d) Ctrl+X
22. 22.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
23. 23.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) redo (c) select all (d) save
24. 24.True or false: a webcam is hardware. (a) True (b) False
25. 25.What does it mean to open a file? (a) store your work (b) see what is inside (c) get rid of it (d) put it in another place
26. 26.Which of these is software? (a) a scanner (b) a hard disk (c) a paint program (d) a webcam
27. 27.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+C
28. 28.🔍 Which is the odd one out? (a) a music player app (b) a pen drive (c) a web browser (d) a computer game
29. 29.✋ Which can we touch: hardware or software? (a) hardware (b) software
30. 30.What does it mean to create a file? (a) keep your work for later (b) make a brand-new one (c) store your work (d) change its name
31. 31.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Copy (d) Undo
32. 32.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a speaker (d) a mouse
33. 33.🧩 Is a music player app hardware or software? (a) software (b) hardware
34. 34.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) keeps data when off (d) is the working memory
35. 35.🔍 Which is the odd one out? (a) printer (b) projector (c) speaker (d) microphone
36. 36.What does it mean to copy a file? (a) keep your work for later (b) see what is inside (c) get rid of it (d) make an exact twin
37. 37.True or false: a music player app is software. (a) True (b) False
38. 38.Which of these is an input device? (a) memory card (b) mouse (c) printer (d) pen drive
39. 39.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a subfolder (d) a printer
40. 40.🔍 Which is the odd one out? (a) a paint program (b) a typing tutor (c) an operating system (d) a keyboard

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