Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 900 · 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.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
2. 2.Which of these is a storage device? (a) printer (b) solid-state drive (c) speaker (d) mouse
3. 3.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
4. 4.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
5. 5.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
6. 6.🔍 Which is the odd one out? (a) hard disk (b) printer (c) monitor (d) projector
7. 7.🧩 Is a pen drive hardware or software? (a) hardware (b) software
8. 8.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
9. 9.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
10. 10.What does it mean to move a file? (a) get rid of it (b) make a brand-new one (c) put it in another place (d) throw it away
11. 11.Which of these is hardware? (a) a word processor (b) a paint program (c) a calculator app (d) a mouse
12. 12.True or false: RAM is permanent storage. (a) False (b) True
13. 13.✋ Which can we touch: hardware or software? (a) software (b) hardware
14. 14.🧰 Is a scanner a storage, input or output device? (a) an output device (b) a storage device (c) an input device
15. 15.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
16. 16.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) memory card (d) mouse
17. 17.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) cloud storage (d) rain storage
18. 18.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
19. 19.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
20. 20.💾 How many bytes are there in 3 KB?
21. 21.🧩 Is a computer game hardware or software? (a) software (b) hardware
22. 22.Which file ending is a video? (a) .wav (b) .jpg (c) .avi (d) .pdf
23. 23.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) keeps photos for years (d) holds apps that are open
24. 24.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+P (d) Ctrl+S
25. 25.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) mouse (d) solid-state drive
26. 26.Which of these is software? (a) a pen drive (b) a hard disk (c) a keyboard (d) a word processor
27. 27.True or false: an operating system is hardware. (a) False (b) True
28. 28.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
29. 29.True or false: to delete a file means to give it a new name. (a) False (b) True
30. 30.🧩 Is a scanner hardware or software? (a) software (b) hardware
31. 31.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) redo (c) print (d) save
32. 32.What does it mean to delete a file? (a) get rid of it (b) change its name (c) see what is inside (d) keep your work for later
33. 33.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
34. 34.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) rename (c) create (d) delete
35. 35.Which shortcut do we press to copy? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+V (d) Ctrl+P
36. 36.True or false: RAM keeps your saved files. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a web browser (b) a pen drive (c) a printer (d) a webcam
38. 38.🧩 Is a speaker hardware or software? (a) hardware (b) software
39. 39.💾 How many GB are there in 1 TB?
40. 40.Which file ending is a picture? (a) .png (b) .avi (c) .mp3 (d) .mkv

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