Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 538 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.💾 Which is smaller: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
3. 3.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) undo (c) save (d) redo
4. 4.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
5. 5.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
6. 6.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
7. 7.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
8. 8.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Undo (d) Delete
9. 9.True or false: a speaker is software. (a) True (b) False
10. 10.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
11. 11.True or false: to rename a file means to give it a new name. (a) True (b) False
12. 12.💾 How many GB are there in 2 TB?
13. 13.Which file ending is a sound? (a) .avi (b) .wav (c) .gif (d) .pdf
14. 14.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
15. 15.📁 Which word means to “make an exact twin” (for a file or folder)? (a) create (b) copy (c) open (d) save
16. 16.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
17. 17.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an output device (c) an input device
18. 18.🔍 Which is the odd one out? (a) memory card (b) projector (c) hard disk (d) pen drive
19. 19.Which of these is hardware? (a) an operating system (b) a typing tutor (c) a computer game (d) a speaker
20. 20.Which of these is hardware? (a) a music player app (b) a typing tutor (c) a paint program (d) a keyboard
21. 21.⌨️ In a word processor, what does Ctrl+C do? (a) redo (b) copy (c) cut (d) select all
22. 22.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the memory card (c) the pen drive (d) RAM
23. 23.Which file ending is a video? (a) .mp3 (b) .png (c) .avi (d) .txt
24. 24.🔍 Which is the odd one out? (a) a keyboard (b) a monitor (c) a printer (d) an operating system
25. 25.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
26. 26.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
27. 27.💾 How many bits are there in 12 bytes?
28. 28.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) is permanent storage (d) is the working memory
29. 29.🧩 Is a printer hardware or software? (a) software (b) hardware
30. 30.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+C (d) Ctrl+S
31. 31.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) move (c) rename (d) save
32. 32.💾 How many bits are there in 5 bytes?
33. 33.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
34. 34.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
35. 35.🧩 Is a hard disk hardware or software? (a) software (b) hardware
36. 36.Which of these is hardware? (a) an operating system (b) a pen drive (c) a music player app (d) a paint program
37. 37.🧰 Is a mouse a storage, input or output device? (a) an output device (b) a storage device (c) an input device
38. 38.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an output device (c) an input device
39. 39.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
40. 40.Which of these is an output device? (a) projector (b) microphone (c) pen drive (d) scanner

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