Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 434 · 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 one loses data when off: RAM or storage? (a) RAM (b) storage
2. 2.True or false: RAM loses data when off. (a) True (b) False
3. 3.🧩 Is a paint program hardware or software? (a) hardware (b) software
4. 4.What does it mean to delete a file? (a) change its name (b) give it a new name (c) make an exact twin (d) throw it away
5. 5.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+A (d) Ctrl+V
6. 6.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a calculator app (d) a pen drive
7. 7.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
8. 8.🔍 Which is the odd one out? (a) speaker (b) printer (c) microphone (d) projector
9. 9.Which file ending is a sound? (a) .jpg (b) .mp3 (c) .mkv (d) .gif
10. 10.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
11. 11.💾 How many GB are there in 2 TB?
12. 12.True or false: an operating system is software. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) select all (d) copy
14. 14.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
15. 15.True or false: a typing tutor is software. (a) False (b) True
16. 16.Which file ending is a document? (a) .mp4 (b) .png (c) .jpg (d) .txt
17. 17.Which file ending is a picture? (a) .wav (b) .mp4 (c) .mkv (d) .jpg
18. 18.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Undo (c) Delete (d) Print
19. 19.Which of these is a storage device? (a) scanner (b) monitor (c) speaker (d) solid-state drive
20. 20.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
21. 21.True or false: a scanner is software. (a) True (b) False
22. 22.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
23. 23.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
24. 24.🧩 Is a scanner hardware or software? (a) software (b) hardware
25. 25.🧩 Is a speaker hardware or software? (a) software (b) hardware
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
27. 27.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
28. 28.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
29. 29.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) delete (d) select
30. 30.What does it mean to delete a file? (a) put it in another place (b) keep your work for later (c) change its name (d) get rid of it
31. 31.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) save (c) copy (d) open
32. 32.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
33. 33.True or false: to copy a file means to make an exact twin. (a) False (b) True
34. 34.True or false: Ctrl+X is the shortcut to paste. (a) False (b) True
35. 35.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an output device (c) an input device
36. 36.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the pen drive (d) the memory card
37. 37.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
38. 38.True or false: to move a file means to get rid of it. (a) True (b) False
39. 39.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
40. 40.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True

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