Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 377 · 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.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
2. 2.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+A
3. 3.🔍 Which is the odd one out? (a) a typing tutor (b) a calculator app (c) a computer game (d) a pen drive
4. 4.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
5. 5.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
6. 6.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
7. 7.True or false: a webcam is software. (a) False (b) True
8. 8.✋ Which can we touch: hardware or software? (a) hardware (b) software
9. 9.True or false: RAM keeps your saved files. (a) False (b) True
10. 10.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
11. 11.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
12. 12.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) redo (c) cut (d) select all
13. 13.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) copy (c) delete (d) open
14. 14.True or false: a speaker is software. (a) True (b) False
15. 15.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Cut (d) Copy
16. 16.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Redo (c) Copy (d) Cut
17. 17.💾 How many GB are there in 2 TB?
18. 18.True or false: a memory card is an output device. (a) True (b) False
19. 19.💾 How many MB are there in 2 GB?
20. 20.True or false: a music player app is software. (a) False (b) True
21. 21.Which of these is hardware? (a) a music player app (b) a pen drive (c) a web browser (d) a word processor
22. 22.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+P (d) Ctrl+C
23. 23.True or false: Ctrl+A is the shortcut to paste. (a) True (b) False
24. 24.True or false: RAM is the working memory. (a) False (b) True
25. 25.What does it mean to create a file? (a) make an exact twin (b) get rid of it (c) throw it away (d) make a brand-new one
26. 26.Which file ending is a document? (a) .gif (b) .png (c) .pdf (d) .wav
27. 27.True or false: a hard disk is an input device. (a) True (b) False
28. 28.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+C (d) Ctrl+X
29. 29.⚡ Which is faster for the computer to work with? (a) a memory card (b) a printer (c) a pen drive (d) RAM
30. 30.Which of these is a storage device? (a) memory card (b) scanner (c) printer (d) speaker
31. 31.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) rename (c) save (d) open
32. 32.What does it mean to rename a file? (a) keep your work for later (b) throw it away (c) store your work (d) change its name
33. 33.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
34. 34.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) holds apps that are open (d) keeps photos for years
35. 35.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
36. 36.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+X (d) Ctrl+V
37. 37.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) copy (c) undo (d) paste
38. 38.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
39. 39.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
40. 40.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) move (c) save (d) rename

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