Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 94 · 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.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
2. 2.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) holds apps that are open (c) keeps photos for years (d) is temporary memory
3. 3.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
4. 4.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
5. 5.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
6. 6.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+P (d) Ctrl+C
7. 7.What does it mean to delete a file? (a) change its name (b) keep your work for later (c) give it a new name (d) throw it away
8. 8.🧩 Is a speaker hardware or software? (a) hardware (b) software
9. 9.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
10. 10.✋ Which can we touch: hardware or software? (a) software (b) hardware
11. 11.Which file ending is a document? (a) .gif (b) .avi (c) .pdf (d) .png
12. 12.True or false: Ctrl+S is the shortcut to undo. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) undo (c) redo (d) print
14. 14.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
15. 15.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
16. 16.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
17. 17.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
18. 18.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) create (c) rename (d) save
19. 19.True or false: to create a file means to make a brand-new one. (a) False (b) True
20. 20.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
21. 21.True or false: to move a file means to keep your work for later. (a) True (b) False
22. 22.💾 Which is bigger: 1 TB or 1 MB? (a) 1 TB (b) 1 MB
23. 23.🔍 Which is the odd one out? (a) printer (b) speaker (c) keyboard (d) monitor
24. 24.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) rename (c) save (d) open
25. 25.💾 How many KB are there in 1 MB?
26. 26.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
27. 27.What does it mean to save a file? (a) get rid of it (b) give it a new name (c) change its name (d) store your work
28. 28.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+V (d) Ctrl+Y
29. 29.Which of these is a storage device? (a) printer (b) scanner (c) mouse (d) hard disk
30. 30.📄 A file name ends in .wav. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
31. 31.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Redo (c) Delete (d) Copy
32. 32.💾 How many GB are there in 1 TB?
33. 33.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) save (c) redo (d) undo
34. 34.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
35. 35.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) rename (c) delete (d) save
36. 36.Which of these is hardware? (a) a word processor (b) a web browser (c) a pen drive (d) a computer game
37. 37.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+Y
38. 38.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) select all (c) paste (d) copy
39. 39.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
40. 40.💾 How many KB are there in 3 MB?

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