Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 48 · 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 of these is software? (a) a web browser (b) a pen drive (c) a webcam (d) a printer
2. 2.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
3. 3.🧩 Is a music player app hardware or software? (a) hardware (b) software
4. 4.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
5. 5.🧰 Is a printer a storage, input or output device? (a) an output device (b) a storage device (c) an input device
6. 6.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
7. 7.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a printer (d) a big file
8. 8.Which file ending is a sound? (a) .txt (b) .mp3 (c) .mp4 (d) .pdf
9. 9.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
10. 10.True or false: Ctrl+Y is the shortcut to select all. (a) False (b) True
11. 11.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
12. 12.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
13. 13.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) rename (c) save (d) copy
14. 14.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
15. 15.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
16. 16.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) save (c) cut (d) paste
17. 17.🧩 Is a computer game hardware or software? (a) hardware (b) software
18. 18.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
19. 19.True or false: Ctrl+V is the shortcut to save. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) projector (b) pen drive (c) memory card (d) hard disk
21. 21.True or false: to delete a file means to make an exact twin. (a) True (b) False
22. 22.💾 How many bits are there in 1 byte?
23. 23.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
24. 24.Which file ending is a picture? (a) .pdf (b) .txt (c) .gif (d) .mp3
25. 25.🧩 Is a webcam hardware or software? (a) hardware (b) software
26. 26.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
27. 27.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
28. 28.💾 Which is bigger: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
29. 29.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
30. 30.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) rain storage (c) paper storage (d) cloud storage
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) print (c) save (d) select all
32. 32.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
33. 33.Which file ending is a sound? (a) .png (b) .pdf (c) .wav (d) .jpg
34. 34.💾 How many KB are there in 4 MB?
35. 35.Which of these is a storage device? (a) keyboard (b) scanner (c) speaker (d) pen drive
36. 36.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
37. 37.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
38. 38.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Undo (d) Copy
39. 39.True or false: a keyboard is software. (a) False (b) True
40. 40.Which of these is software? (a) a mouse (b) a keyboard (c) a hard disk (d) a typing tutor

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