Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 237 · 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 is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
2. 2.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
3. 3.💾 How many GB are there in 2 TB?
4. 4.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
5. 5.🔍 Which is the odd one out? (a) a pen drive (b) a mouse (c) a speaker (d) a word processor
6. 6.🔍 Which is the odd one out? (a) projector (b) printer (c) mouse (d) speaker
7. 7.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a pixel (d) a mouse
8. 8.🧩 Is a keyboard hardware or software? (a) software (b) hardware
9. 9.🧩 Is a monitor hardware or software? (a) hardware (b) software
10. 10.True or false: a monitor is hardware. (a) True (b) False
11. 11.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
12. 12.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) is the working memory (c) holds apps that are open (d) loses data when off
13. 13.True or false: Ctrl+X is the shortcut to paste. (a) True (b) False
14. 14.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
15. 15.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
16. 16.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
17. 17.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+X (d) Ctrl+A
18. 18.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the icon (c) the cursor (d) the folder
19. 19.Which of these is a storage device? (a) projector (b) printer (c) monitor (d) solid-state drive
20. 20.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) undo (c) print (d) cut
21. 21.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
22. 22.Which file ending is a sound? (a) .mp4 (b) .txt (c) .jpg (d) .wav
23. 23.💾 How many KB are there in 2 MB?
24. 24.Which file ending is a picture? (a) .mkv (b) .txt (c) .mp4 (d) .png
25. 25.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Delete (d) Cut
26. 26.True or false: a monitor is an output device. (a) True (b) False
27. 27.🧰 Is a scanner a storage, input or output device? (a) an input device (b) a storage device (c) an output device
28. 28.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
29. 29.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+P
30. 30.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+C
31. 31.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
32. 32.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
33. 33.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+F (d) Ctrl+I
34. 34.True or false: Ctrl+S is the shortcut to print. (a) False (b) True
35. 35.True or false: Ctrl+Y is the shortcut to select all. (a) True (b) False
36. 36.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
37. 37.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
38. 38.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
39. 39.True or false: a keyboard is an input device. (a) False (b) True
40. 40.🧩 Is a word processor hardware or software? (a) software (b) hardware

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